Merge "Add CUJ for dragging taskbar icon to split" into tm-qpr-dev am: df74b6dd am: 1bf2f57d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18659077



Change-Id: Iba8d111e096c9915bb1abcba0f164d81a23cc07c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>