[automerger skipped] Update battery saver preference key am: 19843031ae am: a740b65932 -s ours

am skip reason: Change-Id Ifb5b0a6786d60d1e67567272610cc3cb078f11a4 with SHA-1 db534d9c4e is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/12369339

Change-Id: I1907d8ec0568ae40e5e13749a0840de35acf0a1e