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: db33d28a

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

Change-Id: Ibea413b19e549ba23c7c191248fd4faeb6d22954