Merge "Use string notifications_disabled instead of off" into udc-dev am: 83c04b32 am: 97252eed am: c9b6e9af am: 9537eae6

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/22938598



Change-Id: I7331569765b86cacd6218b20bf799da25725e4b9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>