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

Merge "Revert "[People Service] Add throttling to DataManager add / change listener"" into tm-qpr-dev am: 9c81deab am: 88cb903a am: 65e2f443

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21653408



Change-Id: I29fe27139f39df5d501c3efb65479ea6288352a5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>