Keep GTS tests in internal cf.

Bug: 300519349
Test: presubmit

Change-Id: I720285ddafc5493a172a0125bdbf31adadda2eba

core/java/android/webkit/TEST_MAPPING

@@ -26,6 +26,7 @@
     },
     {
       "name": "GtsWebViewTestCases",
+      "keywords": ["internal"],
       "options": [
         {
           "exclude-annotation": "android.test.FlakyTest"
@@ -34,6 +35,7 @@
     },
     {
       "name": "GtsWebViewHostTestCases",
+      "keywords": ["internal"],
       "options": [
         {
           "exclude-annotation": "android.test.FlakyTest"

native/webview/TEST_MAPPING

@@ -26,6 +26,7 @@
     },
     {
       "name": "GtsWebViewTestCases",
+      "keywords": ["internal"],
       "options": [
         {
           "exclude-annotation": "android.test.FlakyTest"
@@ -34,6 +35,7 @@
     },
     {
       "name": "GtsWebViewHostTestCases",
+      "keywords": ["internal"],
       "options": [
         {
           "exclude-annotation": "android.test.FlakyTest"

services/core/java/com/android/server/integrity/TEST_MAPPING

@@ -10,6 +10,7 @@
     },
     {
       "name": "GtsSecurityHostTestCases",
+      "keywords": ["internal"],
       "options": [
         {
           "include-filter": "com.google.android.security.gts.AppIntegrityManagerTest"

services/core/java/com/android/server/pm/TEST_MAPPING

@@ -63,6 +63,7 @@
     },
     {
       "name": "GtsSecurityHostTestCases",
+      "keywords": ["internal"],
       "options": [
         {
           "include-filter": "com.google.android.security.gts.PackageVerifierTest"