[automerger skipped] Merge "DO NOT MERGE Split BackEvent into an internal...

[automerger skipped] Merge "DO NOT MERGE Split BackEvent into an internal BackMotionEvent and public BackEvent." into tm-qpr-dev am: 8165fae2 am: ff5dca5e -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20841116



Change-Id: I38fb929fa6731606d0c6472c2122ab61440a7f07
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>