Merge "Don't set expansion for downward (upward) scroll when the bouncer is...

Merge "Don't set expansion for downward (upward) scroll when the bouncer is hidden (shown)." into tm-dev am: 81a5f75d am: 6294c4f2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17533603



Change-Id: I8078fe2ebda62f3c9ec5657c8601124a286f05ad
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>