Add setting/experiment for small battery devices to have
all forced app standby enabled except for when the device
is charging.

Bug: 69259147
Test: Manual test
Test: atest frameworks/base/services/tests/servicestests/src/com/android/server/ForceAppStandbyTrackerTest.java
Change-Id: Ica3fe6835958f186269413519ee82bc19fb83275
diff --git a/core/tests/coretests/src/android/provider/SettingsBackupTest.java b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
index 4710595..aa263cb 100644
--- a/core/tests/coretests/src/android/provider/SettingsBackupTest.java
+++ b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
@@ -212,6 +212,7 @@
                     Settings.Global.FANCY_IME_ANIMATIONS,
                     Settings.Global.FORCE_ALLOW_ON_EXTERNAL,
                     Settings.Global.FORCED_APP_STANDBY_ENABLED,
+                    Settings.Global.FORCED_APP_STANDBY_FOR_SMALL_BATTERY_ENABLED,
                     Settings.Global.FSTRIM_MANDATORY_INTERVAL,
                     Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST,
                     Settings.Global.GLOBAL_HTTP_PROXY_HOST,