Merge "[MTE] check whether unexpected bits are set in memtag_mode" am: 0d3249dd76

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/2272430

Change-Id: Ie3fb6c91c70c0a729dc527489b4890eeabea3db0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>