Adds CTS test for CVE-2021-0318 am: 1dec938c58 am: 4343d12392

Original change: https://googleplex-android-review.googlesource.com/c/platform/cts/+/13230042

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I6155bb5de4ce2215b4e247ee7f0ded72c89568ee