Merge "Prevent desktop mode corner handles from triggering back gesture." into...

Merge "Prevent desktop mode corner handles from triggering back gesture." into udc-dev am: 331d9987 am: 69551f0c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22559547



Change-Id: I617912191d911650e706d9eeb684e5eea3dce6a3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>