Merge "[People Service] Add throttling to DataManager add / change listener"...

Merge "[People Service] Add throttling to DataManager add / change listener" into tm-qpr-dev am: 83693640 am: 497fda9c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21546169



Change-Id: I5dde6d982cd2bc47db16e700329ef6234764b4c4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>