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

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



Change-Id: I0fb02fb745259743f7fe25c88afb12e0e54f4213
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>