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

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



Change-Id: I73eb75e79b5bb82662c4ee80a137ebeab5b5881d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>