Merge "DO NOT MERGE Add SEAT_HEADREST_* properties to the emulator for CTS tests" into tm-qpr-dev am: 5b5822d966

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/19628774

Change-Id: Ia680469d03a14d1be17739c8e926cf1a92143e21
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>