Merge "Log post_duration_millis to statsd" into udc-dev am: 39d50e4d am: 1d197e72 am: 516d5634 am: 3417b5ea

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23130959



Change-Id: I06f5b9d70507c0d9cc34173ee0436c0805a2bf72
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>