Merge "Remove all multidisplay functionality in the Touch Latency sample app,...

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

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



Change-Id: I78b47f5dfca55a29ac12cee218fd866bd4731d5b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>