Merge "Do not count suppressed group summaries when checking for notifications." into sc-qpr1-dev am: 1af769fb15 am: ebbda1abc9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15899164

Change-Id: Iaab5c2c4b3a8331e9a0b8f3f4269f00c256440a1