Merge "Use correct gravity for 3-button gesture insets" into udc-dev am: c3550fca am: 6d509fbe

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22322430



Change-Id: I3f0cba3d6e02cbf7c2f8f46bf0853ff718926e0e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>