Merge "Remove all multidisplay functionality in the Touch Latency sample app, for now. Also update to newer gradle versions, to allow editing in Studio." into udc-dev am: bd32923d am: 0e527e28 am: 22cc8af0

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22819741



Change-Id: I367c04177c739df07753a681b1acb9ba8d984c20
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>