Merge "Limit the number of concurrently snoozed notifications" into tm-dev am: 5f5220c3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19205939



Change-Id: I06cdbf6c0d151944bbc29c346ef60d0061046198
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>