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

[flexiglass] Fixes extraneous haptic feedback in pattern bouncer. am: 4e9af5b7 am: f1f1940b am: 1f5a2e95

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



Change-Id: Iebdb9985639af9dee12fc91fb245b0ac976b7d6e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>