Merge "Check pointer count for trackpad gesture features" into udc-dev am: 0674cd7e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22186889



Change-Id: I66178d6c9c23d4df12949a1f382067d55559a3d6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>