Merge "Fix couple of drag and drop issues from transient taskbar" into...

Merge "Fix couple of drag and drop issues from transient taskbar" into tm-qpr-dev am: 974cdc68 am: c34f0379

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21527362



Change-Id: Iff7cba436aca572f69f2b3ccc42faddc1c598cef
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>