STOPSHIP: Add UidCpuPower global setting

This will help us run P/H experiments by controlling the
uid cpu power system property through P/H.

b/70517018
Test: Will manually test it later through opt-in P/H experiment

Change-Id: I2cb26f429e867acbed7ff553cc18b447932af655
diff --git a/core/tests/coretests/src/android/provider/SettingsBackupTest.java b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
index 0083b01..a304e82 100644
--- a/core/tests/coretests/src/android/provider/SettingsBackupTest.java
+++ b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
@@ -385,6 +385,7 @@
                     Settings.Global.TZINFO_UPDATE_METADATA_URL,
                     Settings.Global.INSTALLED_INSTANT_APP_MIN_CACHE_PERIOD,
                     Settings.Global.INSTALLED_INSTANT_APP_MAX_CACHE_PERIOD,
+                    Settings.Global.UID_CPUPOWER,
                     Settings.Global.UNINSTALLED_INSTANT_APP_MIN_CACHE_PERIOD,
                     Settings.Global.UNINSTALLED_INSTANT_APP_MAX_CACHE_PERIOD,
                     Settings.Global.UNUSED_STATIC_SHARED_LIB_MIN_CACHE_PERIOD,