Merge "Use WindowManager#getMaximumWindowMetrics() to get display size" into stage-aosp-rvc-ts-dev am: 30d14bc5c2 am: 510b99abec am: 9bf6b2f80d

Original change: https://googleplex-android-review.googlesource.com/c/platform/cts/+/12468103

Change-Id: I41e7f1fa726f63e8793382ac388f271eec33687f