Merge "Restructure splitscreen tests to new test format" into udc-qpr-dev am: fb2767b4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23773684



Change-Id: I807e8a8a677066a6cda5f6354aab3e97a85b6240
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>