DO NOT MERGE Ensure swipe down works for bouncer to dismiss am: 41a7bbcf am: 73466111

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/25554438



Change-Id: I35d2342dcf97d0855f0c9ea7261a49bdff079522
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>