Copy SDK 30 theme host test assets to SDK 31 am: 48ce4d71de am: 225f86634b am: 51461a4264

Original change: https://googleplex-android-review.googlesource.com/c/platform/cts/+/15586188

Change-Id: I5b7221b5ccb6f3cbbd44310ec57efc88b54fa5cb