Merge "Add removal time of starting window in transition trace proto" into udc-qpr-dev am: 2b30017c31

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24342219

Change-Id: I697e1a755afe3ba42b4d8c87bef9a872f4f43b41
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>