Merge "Add IS_GENERATED_GESTURE flag to touchpad scrolling" into udc-dev am: 68782cf4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/21957523



Change-Id: Id12b72dca2861d621752606f82d37206f507963a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>