Merge "Move legacy split screen flicker tests for non-resizable to presubmit" into sc-dev am: f9c4ee1f am: 826b7b28 am: 100e688e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14117547

Change-Id: I5c51b37c4e2686b68e51f12f106030dad876de78