From e7e02d7880e82b26f4876fc8ee9d7c894dc991e3 Mon Sep 17 00:00:00 2001
From: paulhu <paulhu@google.com>
Date: Wed, 15 Sep 2021 15:06:59 +0800
Subject: [PATCH] Add comment for not listening
 EXTERNAL_APPLICATIONS_UNAVAILABLE

Bug: 192653840
Test: only add comment.
Change-Id: I5a61ea76a40cf74e15ec36e415d6d4eb8ef6016f
---
 .../com/android/server/connectivity/PermissionMonitor.java    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/service/src/com/android/server/connectivity/PermissionMonitor.java b/service/src/com/android/server/connectivity/PermissionMonitor.java
index f596c4acab..4c6b669fd5 100755
--- a/service/src/com/android/server/connectivity/PermissionMonitor.java
+++ b/service/src/com/android/server/connectivity/PermissionMonitor.java
@@ -222,6 +222,10 @@ public class PermissionMonitor {
                 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(