Merge "Log post_duration_millis to statsd" into udc-dev am: 39d50e4d am: 3a97e72d am: 1ab50f82 am: 57f15c7a

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



Change-Id: Icf5aa40af1e7b9aed5837c05dd92a3a87862e318
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>