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: 62ddc3e7 am: d149e821

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



Change-Id: I0c385e4b8c13c40bfe919bfd4781e33d1cb99de7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>