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

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



Change-Id: I2a59fa48b815303621c6b84fe31199e562abca63
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>