[flexiglass] Fixes extraneous haptic feedback in pattern bouncer. am: 4e9af5b7 am: f1f1940b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23334224



Change-Id: Ic4c71092e7e6d4d3b01399366d1cb3875958ada3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>