Merge "Launch app in fullscreen on secondary display." into stage-aosp-sc-v2-ts-dev am: 79b0daf8a9 am: e2e862c50b

Original change: https://googleplex-android-review.googlesource.com/c/platform/cts/+/16779751

Change-Id: Ic42d2a08cd1c98bcbc65532bc16406be9ffa4939