Merge "Don't crash system_server due to bad event time stamps." into udc-dev...

Merge "Don't crash system_server due to bad event time stamps." into udc-dev am: 3588c993 am: 99971c32 am: caf6f94e am: 4109d898

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22761826



Change-Id: Icb2c9bfe08021e38ad55b9e55491d56637e32de4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>