Merge "Pass BTN_GEAR_DOWN and BTN_GEAR_UP to apps" into rvc-dev am: 692c65bfb6 am: 28dff02c6e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/11481593

Change-Id: I8c7eba8745f240a4b1386cdfe2dfaeda48a5c82a