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

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



Change-Id: If9e823e0b7abcb320efa8382e2f8bb3d880bc0c9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>