[automerger skipped] Add a settings key to expose the device's repair mode state am: 0e1d0ecf51 am: 14cb34fa23 am: 564f1e0458 am: 0d989a3f0e -s ours

am skip reason: Merged-In I35dd77bb99ca7e2eecc8439c2c61481c658c5052 with SHA-1 5af73f5f26 is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2781891

Change-Id: I8c70140670d4572ec5818dd911acd7dfd461b79f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>