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

[flexiglass] Fixes extraneous haptic feedback in pattern bouncer. am: 4e9af5b7 am: f1f1940b am: 1f5a2e95 am: bf99d6a0

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



Change-Id: Ie166f9156280a6c282835549f924984caeb33c48
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>