Merge "Avoid sending messages of destroyed Engine" into udc-dev am: 359c0a20...

Merge "Avoid sending messages of destroyed Engine" into udc-dev am: 359c0a20 am: 68c4407c am: 2dc41bd9 am: 52ae98c9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24103711



Change-Id: I8cca46efa1bfb38f015a3bed5fcf836e7675064c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>