Add unaudited exported flag to exposed runtime receivers

Android T allows apps to declare a runtime receiver as not exported
by invoking registerReceiver with a new RECEIVER_NOT_EXPORTED flag;
receivers registered with this flag will only receive broadcasts from
the platform and the app itself. However to ensure developers can
properly protect their receivers, all apps targeting U or later
registering a receiver for non-system broadcasts must specify either
the exported or not exported flag when invoking #registerReceiver;
if one of these flags is not provided, the platform will throw a
SecurityException. This commit updates all the exposed receivers
with a new RECEIVER_EXPORTED_UNAUDITED flag to maintain the existing
behavior of exporting the receiver while also flagging the receiver
for audit before the U release.

Bug: 234659204
Test: Build
Change-Id: I8fbcf69575d829f26e02d661498d69f5fc8740d0

src/com/android/settings/deviceinfo/simstatus/SimStatusDialogController.java

@@ -295,7 +295,8 @@ public class SimStatusDialogController implements LifecycleObserver {
         if (mShowLatestAreaInfo) {
             updateAreaInfoText();
             mContext.registerReceiver(mAreaInfoReceiver,
-                    new IntentFilter(CellBroadcastIntents.ACTION_AREA_INFO_UPDATED));
+                    new IntentFilter(CellBroadcastIntents.ACTION_AREA_INFO_UPDATED),
+                    Context.RECEIVER_EXPORTED/*UNAUDITED*/);
         }
 
         mIsRegisteredListener = true;

src/com/android/settings/network/CarrierConfigCache.java

@@ -86,7 +86,8 @@ public class CarrierConfigCache {
             final CarrierConfigChangeReceiver receiver = new CarrierConfigChangeReceiver();
             final Context appContext = context.getApplicationContext();
             sCarrierConfigManager = appContext.getSystemService(CarrierConfigManager.class);
-            appContext.registerReceiver(receiver, new IntentFilter(ACTION_CARRIER_CONFIG_CHANGED));
+            appContext.registerReceiver(receiver, new IntentFilter(ACTION_CARRIER_CONFIG_CHANGED),
+                    Context.RECEIVER_EXPORTED/*UNAUDITED*/);
             return sInstance;
         }
     }

src/com/android/settings/network/CarrierConfigChangedReceiver.java

@@ -38,7 +38,8 @@ public class CarrierConfigChangedReceiver extends BroadcastReceiver {
     }
 
     public void registerOn(Context context) {
-        context.registerReceiver(this, new IntentFilter(ACTION_CARRIER_CONFIG_CHANGED));
+        context.registerReceiver(this, new IntentFilter(ACTION_CARRIER_CONFIG_CHANGED),
+                Context.RECEIVER_EXPORTED/*UNAUDITED*/);
     }
 
     @Override

src/com/android/settings/network/TetherEnabler.java

@@ -166,7 +166,8 @@ public class TetherEnabler implements SwitchWidgetController.OnSwitchChangeListe
                 TetheringManager.ACTION_TETHER_STATE_CHANGED);
         filter.addAction(WifiManager.WIFI_AP_STATE_CHANGED_ACTION);
         filter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);
-        mContext.registerReceiver(mTetherChangeReceiver, filter);
+        mContext.registerReceiver(mTetherChangeReceiver, filter,
+                Context.RECEIVER_EXPORTED/*UNAUDITED*/);
         mTetheringEventCallback  =
                 new TetheringManager.TetheringEventCallback() {
                     @Override

tests/robotests/src/com/android/settings/accounts/WorkModePreferenceControllerTest.java

@@ -114,7 +114,8 @@ public class WorkModePreferenceControllerTest {
     @Test
     public void onStop_shouldUnregisterReceiver() {
         // register it first
-        mContext.registerReceiver(mController.mReceiver, null);
+        mContext.registerReceiver(mController.mReceiver, null,
+                Context.RECEIVER_EXPORTED/*UNAUDITED*/);
 
         mController.onStop();
         verify(mContext).unregisterReceiver(mController.mReceiver);

tests/robotests/src/com/android/settings/bluetooth/BluetoothDeviceNamePreferenceControllerTest.java

@@ -99,7 +99,8 @@ public class BluetoothDeviceNamePreferenceControllerTest {
     @Test
     public void testOnStop_receiverUnregistered() {
         // register it first
-        mContext.registerReceiver(mController.mReceiver, null);
+        mContext.registerReceiver(mController.mReceiver, null,
+                Context.RECEIVER_EXPORTED/*UNAUDITED*/);
 
         mController.onStop();
         verify(mContext).unregisterReceiver(mController.mReceiver);

tests/robotests/src/com/android/settings/connecteddevice/PreviouslyConnectedDevicePreferenceControllerTest.java

@@ -168,7 +168,8 @@ public class PreviouslyConnectedDevicePreferenceControllerTest {
     @Test
     public void onStop_unregisterCallback() {
         // register it first
-        mContext.registerReceiver(mPreConnectedDeviceController.mReceiver, null);
+        mContext.registerReceiver(mPreConnectedDeviceController.mReceiver, null,
+                Context.RECEIVER_EXPORTED/*UNAUDITED*/);
 
         // unregister the callback in onStop()
         mPreConnectedDeviceController.onStop();