Merge "Prepare to log post_duration_millis to statsd" into udc-dev am:...

Merge "Prepare to log post_duration_millis to statsd" into udc-dev am: d6c040c7 am: c418f815 am: b8291db1 am: bfcf4ab5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23114956



Change-Id: Iea2d1a7cc0b115bad41845495edeb62bd83d762c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>