Merge "Add CUJ for dragging notification icon to split" into tm-qpr-dev am: 83f09e94

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18752893



Change-Id: I4cf967efb920c4386990c3961582de5f39a9348b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>