Merge "Limit the number of concurrently snoozed notifications" into tm-dev am: 5f5220c3 am: 826e83e1 am: 3a80728c am: 0b239f35

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



Change-Id: Ibc2f1f01da20d4cebfc747ace2a4a4dbe4e3cf0b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>