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

Merge "Statsd notif logs: important conversations." into rvc-dev am: 263c7f9b am: 9f2ca756 am: 58c55217 am: 144298c8

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

Change-Id: I1295ff90a6968e7c06c7f6e933fde32456320009