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: f6d8b1cf am: f4cdc287

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

Change-Id: Ib93c562e6da233265d3c50c44eae2efb7c12476c