Merge "Start unfold Shell transition from WM side only when unfolding" into...

Merge "Start unfold Shell transition from WM side only when unfolding" into udc-dev am: 25812122 am: 869bbe90

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22970018



Change-Id: I5eadb4186099d5e9bb5f79501814e5de12851c79
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>