Onl apply flag when it has been changed

The properies object provided in onPropertiesChanged only contains
flag(s) that have been added/deleted/updated.

Bug: 144693310
Test: atest AppsFilterTest
Change-Id: I8b9f90efff83da367189c9b218251c4d777afcee

1 files changed, 5 insertions, 2 deletions

diff --git a/services/core/java/com/android/server/pm/AppsFilter.java b/services/core/java/com/android/server/pm/AppsFilter.java
index ec11a97cfc30..14ef2d3a38e1 100644
--- a/services/core/java/com/android/server/pm/AppsFilter.java
+++ b/services/core/java/com/android/server/pm/AppsFilter.java
@@ -136,8 +136,11 @@ public class AppsFilter {
             DeviceConfig.addOnPropertiesChangedListener(
                     NAMESPACE_PACKAGE_MANAGER_SERVICE, FgThread.getExecutor(),
                     properties -> {
-                        synchronized (FeatureConfigImpl.this) {
-                            mFeatureEnabled = properties.getBoolean(FILTERING_ENABLED_NAME, false);
+                        if (properties.getKeyset().contains(FILTERING_ENABLED_NAME)) {
+                            synchronized (FeatureConfigImpl.this) {
+                                mFeatureEnabled = properties.getBoolean(FILTERING_ENABLED_NAME,
+                                        false);
+                            }
                         }
                     });
         }