Merge "Fix ringer drawer area being touchable while the drawer is closed." into sc-dev am: 1ed9066f am: 9cfa162b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14499939

Change-Id: I5d6aec97ac3a30e468527a74ce0214c52468253d