diff --git a/Tethering/common/TetheringLib/api/current.txt b/Tethering/common/TetheringLib/api/current.txt
index d802177e249b3f97128699222e65c35e57ba7540..14191ebcb080d60947d0ff53d4c1568fa21d3b20 100644
--- a/Tethering/common/TetheringLib/api/current.txt
+++ b/Tethering/common/TetheringLib/api/current.txt
@@ -1 +1,3 @@
 // Signature format: 2.0
+// - add-additional-overrides=no
+// - migrating=Migration in progress see b/299366704
diff --git a/Tethering/common/TetheringLib/api/module-lib-current.txt b/Tethering/common/TetheringLib/api/module-lib-current.txt
index 460c21621d4db42b99fb543db16d98a62f879b9b..f09b26d702b61d23f7542264a725b04630c7a595 100644
--- a/Tethering/common/TetheringLib/api/module-lib-current.txt
+++ b/Tethering/common/TetheringLib/api/module-lib-current.txt
@@ -1,4 +1,6 @@
 // Signature format: 2.0
+// - add-additional-overrides=no
+// - migrating=Migration in progress see b/299366704
 package android.net {
 
   public final class TetheringConstants {
diff --git a/Tethering/common/TetheringLib/api/module-lib-removed.txt b/Tethering/common/TetheringLib/api/module-lib-removed.txt
index d802177e249b3f97128699222e65c35e57ba7540..14191ebcb080d60947d0ff53d4c1568fa21d3b20 100644
--- a/Tethering/common/TetheringLib/api/module-lib-removed.txt
+++ b/Tethering/common/TetheringLib/api/module-lib-removed.txt
@@ -1 +1,3 @@
 // Signature format: 2.0
+// - add-additional-overrides=no
+// - migrating=Migration in progress see b/299366704
diff --git a/Tethering/common/TetheringLib/api/removed.txt b/Tethering/common/TetheringLib/api/removed.txt
index d802177e249b3f97128699222e65c35e57ba7540..14191ebcb080d60947d0ff53d4c1568fa21d3b20 100644
--- a/Tethering/common/TetheringLib/api/removed.txt
+++ b/Tethering/common/TetheringLib/api/removed.txt
@@ -1 +1,3 @@
 // Signature format: 2.0
+// - add-additional-overrides=no
+// - migrating=Migration in progress see b/299366704
diff --git a/Tethering/common/TetheringLib/api/system-current.txt b/Tethering/common/TetheringLib/api/system-current.txt
index 844ff6471a2baade958af68342e38fe2f6a735ae..83cee2561ccc0a83308ecbe1866616585e2d0066 100644
--- a/Tethering/common/TetheringLib/api/system-current.txt
+++ b/Tethering/common/TetheringLib/api/system-current.txt
@@ -1,4 +1,6 @@
 // Signature format: 2.0
+// - add-additional-overrides=no
+// - migrating=Migration in progress see b/299366704
 package android.net {
 
   public final class TetheredClient implements android.os.Parcelable {
diff --git a/Tethering/common/TetheringLib/api/system-removed.txt b/Tethering/common/TetheringLib/api/system-removed.txt
index d802177e249b3f97128699222e65c35e57ba7540..14191ebcb080d60947d0ff53d4c1568fa21d3b20 100644
--- a/Tethering/common/TetheringLib/api/system-removed.txt
+++ b/Tethering/common/TetheringLib/api/system-removed.txt
@@ -1 +1,3 @@
 // Signature format: 2.0
+// - add-additional-overrides=no
+// - migrating=Migration in progress see b/299366704
diff --git a/framework-t/api/current.txt b/framework-t/api/current.txt
index 86745d401b9d58887c5a0b7f98827deed0f117a8..e4b211fc0f4935eb420632c5e2f8dbde9ff3ce3a 100644
--- a/framework-t/api/current.txt
+++ b/framework-t/api/current.txt
@@ -1,4 +1,6 @@
 // Signature format: 2.0
+// - add-additional-overrides=no
+// - migrating=Migration in progress see b/299366704
 package android.app.usage {
 
   public final class NetworkStats implements java.lang.AutoCloseable {
diff --git a/framework-t/api/module-lib-current.txt b/framework-t/api/module-lib-current.txt
index 5a8d47b5f5c6abfd291c71f930920a47068b49cb..fd42a372cb66944d756ea6fce18bb5da9014d657 100644
--- a/framework-t/api/module-lib-current.txt
+++ b/framework-t/api/module-lib-current.txt
@@ -1,4 +1,6 @@
 // Signature format: 2.0
+// - add-additional-overrides=no
+// - migrating=Migration in progress see b/299366704
 package android.app.usage {
 
   public class NetworkStatsManager {
diff --git a/framework-t/api/module-lib-removed.txt b/framework-t/api/module-lib-removed.txt
index d802177e249b3f97128699222e65c35e57ba7540..14191ebcb080d60947d0ff53d4c1568fa21d3b20 100644
--- a/framework-t/api/module-lib-removed.txt
+++ b/framework-t/api/module-lib-removed.txt
@@ -1 +1,3 @@
 // Signature format: 2.0
+// - add-additional-overrides=no
+// - migrating=Migration in progress see b/299366704
diff --git a/framework-t/api/removed.txt b/framework-t/api/removed.txt
index 1ba87d8a26dc138c8cb45a4d5ea0cf578a3617c9..d9d243d7e8aac76c67073a62af9d8fb969bf77b7 100644
--- a/framework-t/api/removed.txt
+++ b/framework-t/api/removed.txt
@@ -1,4 +1,6 @@
 // Signature format: 2.0
+// - add-additional-overrides=no
+// - migrating=Migration in progress see b/299366704
 package android.net {
 
   public class TrafficStats {
diff --git a/framework-t/api/system-current.txt b/framework-t/api/system-current.txt
index 53ad834e4a6c5b91289a5ae0a6cc14951ca36ec2..9bdb59556df3d35099308b2aad03708ab6968ea1 100644
--- a/framework-t/api/system-current.txt
+++ b/framework-t/api/system-current.txt
@@ -1,4 +1,6 @@
 // Signature format: 2.0
+// - add-additional-overrides=no
+// - migrating=Migration in progress see b/299366704
 package android.app.usage {
 
   public class NetworkStatsManager {
diff --git a/framework-t/api/system-removed.txt b/framework-t/api/system-removed.txt
index d802177e249b3f97128699222e65c35e57ba7540..14191ebcb080d60947d0ff53d4c1568fa21d3b20 100644
--- a/framework-t/api/system-removed.txt
+++ b/framework-t/api/system-removed.txt
@@ -1 +1,3 @@
 // Signature format: 2.0
+// - add-additional-overrides=no
+// - migrating=Migration in progress see b/299366704
diff --git a/framework/api/current.txt b/framework/api/current.txt
index 6860c3c389c6ae2fe7e420cf49eed53bd341649c..4f00977fa2af0e0a6afb8be4475c6251e6d21f1e 100644
--- a/framework/api/current.txt
+++ b/framework/api/current.txt
@@ -1,4 +1,6 @@
 // Signature format: 2.0
+// - add-additional-overrides=no
+// - migrating=Migration in progress see b/299366704
 package android.net {
 
   public class CaptivePortal implements android.os.Parcelable {
diff --git a/framework/api/module-lib-current.txt b/framework/api/module-lib-current.txt
index 193bd920d29717157b3d34e90a417684e357ddf8..ac57c10841c27d3f3756f76995fa9ef025a6daf8 100644
--- a/framework/api/module-lib-current.txt
+++ b/framework/api/module-lib-current.txt
@@ -1,4 +1,6 @@
 // Signature format: 2.0
+// - add-additional-overrides=no
+// - migrating=Migration in progress see b/299366704
 package android.net {
 
   public final class ConnectivityFrameworkInitializer {
diff --git a/framework/api/module-lib-removed.txt b/framework/api/module-lib-removed.txt
index d802177e249b3f97128699222e65c35e57ba7540..14191ebcb080d60947d0ff53d4c1568fa21d3b20 100644
--- a/framework/api/module-lib-removed.txt
+++ b/framework/api/module-lib-removed.txt
@@ -1 +1,3 @@
 // Signature format: 2.0
+// - add-additional-overrides=no
+// - migrating=Migration in progress see b/299366704
diff --git a/framework/api/removed.txt b/framework/api/removed.txt
index 303a1e6173baf7a73d57b8b75e850eed386a161a..f5da46a0b634cf2f7fe0329a0ff9b926cc8cc9e3 100644
--- a/framework/api/removed.txt
+++ b/framework/api/removed.txt
@@ -1,4 +1,6 @@
 // Signature format: 2.0
+// - add-additional-overrides=no
+// - migrating=Migration in progress see b/299366704
 package android.net {
 
   public class ConnectivityManager {
diff --git a/framework/api/system-current.txt b/framework/api/system-current.txt
index 4a2ed8a2a87e58e366fa76570aff61ccd39f1867..cd120e9f0b8a34e20f661e8a8cc4675c8a388767 100644
--- a/framework/api/system-current.txt
+++ b/framework/api/system-current.txt
@@ -1,4 +1,6 @@
 // Signature format: 2.0
+// - add-additional-overrides=no
+// - migrating=Migration in progress see b/299366704
 package android.net {
 
   public class CaptivePortal implements android.os.Parcelable {
diff --git a/framework/api/system-removed.txt b/framework/api/system-removed.txt
index d802177e249b3f97128699222e65c35e57ba7540..14191ebcb080d60947d0ff53d4c1568fa21d3b20 100644
--- a/framework/api/system-removed.txt
+++ b/framework/api/system-removed.txt
@@ -1 +1,3 @@
 // Signature format: 2.0
+// - add-additional-overrides=no
+// - migrating=Migration in progress see b/299366704