Merge "Remove async_safe references." am: 98933d4551

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/2526780

Change-Id: I1d426a5a98f53e4ab8800f34dc0917fc0c5da209
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>