Merge "Only take vertical, upward velocity into account for escaping the...

Merge "Only take vertical, upward velocity into account for escaping the dismiss target." into rvc-dev am: 254dcfd5 am: 8066346b am: a691a161

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11904326

Change-Id: I6240a673749671e438b22c5b0b1d6819edaaa488