Merge "Add manual enabled battery saver reason (2/4)" into udc-dev am: c429ca3e

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/22504367



Change-Id: If863d983c5f72cca4ae6a4c7c6afb47239f3be3b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>