Merge "Use task top instead of input y coordinate for fullscreen transition."...

Merge "Use task top instead of input y coordinate for fullscreen transition." into udc-qpr-dev am: ba446f46

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24156022



Change-Id: I0f5388c1aee3e3800e0c39515e16f500eb791f5a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>