Revert "Revert "Add setting for enabling CPU frequency scaling.""

This reverts commit 6750352248bcce6668eabd1911d092b7fe31a1cd.

Reason for revert: Added SElinux policy to allow the service to be started. Verified by local testing on the latest pi-wear-dev.

Bug: 74018496
Bug: 75974893
Change-Id: I9bd8939f6292be9c160e19ebdf934023792059ba
diff --git a/core/tests/coretests/src/android/provider/SettingsBackupTest.java b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
index 6c72ac1..950ae68 100644
--- a/core/tests/coretests/src/android/provider/SettingsBackupTest.java
+++ b/core/tests/coretests/src/android/provider/SettingsBackupTest.java
@@ -169,6 +169,7 @@
                     Settings.Global.CONNECTIVITY_SAMPLING_INTERVAL_IN_SECONDS,
                     Settings.Global.CONTACT_METADATA_SYNC_ENABLED,
                     Settings.Global.CONTACTS_DATABASE_WAL_ENABLED,
+                    Settings.Global.CPU_SCALING_ENABLED,
                     Settings.Global.DATA_ACTIVITY_TIMEOUT_MOBILE,
                     Settings.Global.DATA_ACTIVITY_TIMEOUT_WIFI,
                     Settings.Global.DATABASE_CREATION_BUILDID,