Clarify IControlsTethering LOCAL_ONLY state name

Test: as follows
    - build
    - flashed
    - booted
    - "runtest frameworks-net" passes
    - manually starting tethering shows Settings and icon updates
Bug: 31466854
Bug: 32163131

Change-Id: I1f45511f00aca37480f894be4a9a004f1a3b35d7

services/core/java/com/android/server/connectivity/Tethering.java

@@ -136,7 +136,7 @@ public class Tethering extends BaseNetworkObserver implements IControlsTethering
         public boolean isCurrentlyServing() {
             switch (lastState) {
                 case IControlsTethering.STATE_TETHERED:
-                case IControlsTethering.STATE_LOCAL_HOTSPOT:
+                case IControlsTethering.STATE_LOCAL_ONLY:
                     return true;
                 default:
                     return false;
@@ -643,7 +643,7 @@ public class Tethering extends BaseNetworkObserver implements IControlsTethering
                     erroredList.add(iface);
                 } else if (tetherState.lastState == IControlsTethering.STATE_AVAILABLE) {
                     availableList.add(iface);
-                } else if (tetherState.lastState == IControlsTethering.STATE_LOCAL_HOTSPOT) {
+                } else if (tetherState.lastState == IControlsTethering.STATE_LOCAL_ONLY) {
                     localOnlyList.add(iface);
                 } else if (tetherState.lastState == IControlsTethering.STATE_TETHERED) {
                     if (cfg.isUsb(iface)) {
@@ -807,7 +807,7 @@ public class Tethering extends BaseNetworkObserver implements IControlsTethering
                         // Otherwise, assume it's a local-only hotspot request.
                         final int state = mWifiTetherRequested
                                 ? IControlsTethering.STATE_TETHERED
-                                : IControlsTethering.STATE_LOCAL_HOTSPOT;
+                                : IControlsTethering.STATE_LOCAL_ONLY;
                         tetherMatchingInterfaces(state, ConnectivityManager.TETHERING_WIFI);
                         break;
                     case WifiManager.WIFI_AP_STATE_DISABLED:
@@ -877,7 +877,7 @@ public class Tethering extends BaseNetworkObserver implements IControlsTethering
                 result = untether(chosenIface);
                 break;
             case IControlsTethering.STATE_TETHERED:
-            case IControlsTethering.STATE_LOCAL_HOTSPOT:
+            case IControlsTethering.STATE_LOCAL_ONLY:
                 result = tether(chosenIface, requestedState);
                 break;
             default:
@@ -1642,7 +1642,7 @@ public class Tethering extends BaseNetworkObserver implements IControlsTethering
                     case IControlsTethering.STATE_TETHERED:
                         pw.print("TetheredState");
                         break;
-                    case IControlsTethering.STATE_LOCAL_HOTSPOT:
+                    case IControlsTethering.STATE_LOCAL_ONLY:
                         pw.print("LocalHotspotState");
                         break;
                     default:
@@ -1697,7 +1697,7 @@ public class Tethering extends BaseNetworkObserver implements IControlsTethering
                 which = TetherMasterSM.EVENT_IFACE_SERVING_STATE_INACTIVE;
                 break;
             case IControlsTethering.STATE_TETHERED:
-            case IControlsTethering.STATE_LOCAL_HOTSPOT:
+            case IControlsTethering.STATE_LOCAL_ONLY:
                 which = TetherMasterSM.EVENT_IFACE_SERVING_STATE_ACTIVE;
                 break;
             default:

services/core/java/com/android/server/connectivity/tethering/IControlsTethering.java

@@ -23,9 +23,9 @@ package com.android.server.connectivity.tethering;
  */
 public interface IControlsTethering {
     public final int STATE_UNAVAILABLE = 0;
-    public final int STATE_AVAILABLE = 1;
-    public final int STATE_TETHERED = 2;
-    public final int STATE_LOCAL_HOTSPOT = 3;
+    public final int STATE_AVAILABLE   = 1;
+    public final int STATE_TETHERED    = 2;
+    public final int STATE_LOCAL_ONLY  = 3;
 
     /**
      * Notify that |who| has changed its tethering state.  This may be called from any thread.

services/core/java/com/android/server/connectivity/tethering/IPv6TetheringCoordinator.java

@@ -172,7 +172,7 @@ public class IPv6TetheringCoordinator {
         final Downstream ds = findDownstream(sm);
         if (ds == null) return null;
 
-        if (ds.mode == IControlsTethering.STATE_LOCAL_HOTSPOT) {
+        if (ds.mode == IControlsTethering.STATE_LOCAL_ONLY) {
             // Build a Unique Locally-assigned Prefix configuration.
             return getUniqueLocalConfig(mUniqueLocalPrefix, ds.subnetId);
         }

services/core/java/com/android/server/connectivity/tethering/TetherInterfaceStateMachine.java

@@ -194,7 +194,7 @@ public class TetherInterfaceStateMachine extends StateMachine {
                 case CMD_TETHER_REQUESTED:
                     mLastError = ConnectivityManager.TETHER_ERROR_NO_ERROR;
                     switch (message.arg1) {
-                        case IControlsTethering.STATE_LOCAL_HOTSPOT:
+                        case IControlsTethering.STATE_LOCAL_ONLY:
                             transitionTo(mLocalHotspotState);
                             break;
                         case IControlsTethering.STATE_TETHERED:
@@ -304,7 +304,7 @@ public class TetherInterfaceStateMachine extends StateMachine {
             }
 
             if (DBG) Log.d(TAG, "Local hotspot " + mIfaceName);
-            sendInterfaceState(IControlsTethering.STATE_LOCAL_HOTSPOT);
+            sendInterfaceState(IControlsTethering.STATE_LOCAL_ONLY);
         }
 
         @Override

tests/net/java/com/android/server/connectivity/tethering/TetherInterfaceStateMachineTest.java

@@ -32,7 +32,6 @@ import static android.net.ConnectivityManager.TETHERING_BLUETOOTH;
 import static android.net.ConnectivityManager.TETHERING_USB;
 import static android.net.ConnectivityManager.TETHERING_WIFI;
 import static com.android.server.connectivity.tethering.IControlsTethering.STATE_AVAILABLE;
-import static com.android.server.connectivity.tethering.IControlsTethering.STATE_LOCAL_HOTSPOT;
 import static com.android.server.connectivity.tethering.IControlsTethering.STATE_TETHERED;
 import static com.android.server.connectivity.tethering.IControlsTethering.STATE_UNAVAILABLE;