Merge "Limit the number of concurrently snoozed notifications" into tm-qpr-dev am: 44642da6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19149463



Change-Id: I6e9fdf65d3844dbe235a01056b838dc2ad56073e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>