[automerger skipped] Disable player's "Dismiss" button when notification is not dismissible. am: a49a320e am: 542839d8 -s ours

am skip reason: Change-Id I3c2a73e4885642965ec553387b5e91f0cb16ff2f with SHA-1 b62d0291 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12814679

Change-Id: Ia9d8c4cebcd2afdf9db0f35bed5a0d37c79198b8