Merge "Limit the number of concurrently snoozed notifications" into sc-v2-dev...

Merge "Limit the number of concurrently snoozed notifications" into sc-v2-dev am: 60bd9a5e am: 52c86d02 am: 6136f768

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19205940



Change-Id: Ib12216048a511d1859858605239ac5648c3ccfb8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>