Add mainline skipping to CVE-2020-0451 am: 6326590f62 am: ec0492f56a

Original change: https://googleplex-android-review.googlesource.com/c/platform/cts/+/13242479

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ic668ac8691fe52e158ea07cbb01aba74ca427e69