Add comment for not listening EXTERNAL_APPLICATIONS_UNAVAILABLE
Bug: 192653840
Test: only add comment.
Change-Id: I5a61ea76a40cf74e15ec36e415d6d4eb8ef6016f
diff --git a/service/src/com/android/server/connectivity/PermissionMonitor.java b/service/src/com/android/server/connectivity/PermissionMonitor.java
index f596c4a..4c6b669 100755
--- a/service/src/com/android/server/connectivity/PermissionMonitor.java
+++ b/service/src/com/android/server/connectivity/PermissionMonitor.java
@@ -222,6 +222,10 @@
mIntentReceiver, intentFilter, null /* broadcastPermission */,
null /* scheduler */);
+ // Listen to EXTERNAL_APPLICATIONS_AVAILABLE is that an app becoming available means it may
+ // need to gain a permission. But an app that becomes unavailable can neither gain nor lose
+ // permissions on that account, it just can no longer run. Thus, doesn't need to listen to
+ // EXTERNAL_APPLICATIONS_UNAVAILABLE.
final IntentFilter externalIntentFilter =
new IntentFilter(Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE);
userAllContext.registerReceiver(