Merge "Improve drag divider dismiss transition." into udc-dev am: 41464c2f...

Merge "Improve drag divider dismiss transition." into udc-dev am: 41464c2f am: b3bb7114 am: 5db05d5d am: aa85bbbb

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23345341



Change-Id: I1f7694538adba6a864ebb0112219567c9fabda6b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>