Merge "Statsd notif logs: important conversations." into rvc-dev am:...

Merge "Statsd notif logs: important conversations." into rvc-dev am: 263c7f9b am: c10dd8bb am: 1fdc92be am: b419ff4c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11931359

Change-Id: Ia77d23b8402a9ef6ac9bdc278c73c1395501848f