Global app standby flag

Disable app standby features if app_standby_enabled
is set to 0. This allows for UI and experiments to
control the feature.

Bug: 70655630
Test: adb shell settings put global app_standby_enabled 0
      adb shell dumpsys usagestats
      adb shell am get-standby-bucket <packagename>

Change-Id: Id6c62b078e52040767100f2997832cc586bb0806
diff --git a/core/tests/coretests/src/android/provider/SettingsBackupTest.java b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
index 907a1b8..d9b1e3a 100644
--- a/core/tests/coretests/src/android/provider/SettingsBackupTest.java
+++ b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
@@ -106,6 +106,7 @@
                     Settings.Global.APN_DB_UPDATE_CONTENT_URL,
                     Settings.Global.APN_DB_UPDATE_METADATA_URL,
                     Settings.Global.APP_IDLE_CONSTANTS,
+                    Settings.Global.APP_STANDBY_ENABLED,
                     Settings.Global.ASSISTED_GPS_ENABLED,
                     Settings.Global.AUDIO_SAFE_VOLUME_STATE,
                     Settings.Global.BATTERY_DISCHARGE_DURATION_THRESHOLD,