Merge "Update signature-host-tests to not run in TEST_MAPPING" am: f10465e2bb am: 220c20fc41 am: bacafd8d14

Original change: https://android-review.googlesource.com/c/platform/cts/+/1619780

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ia990d904a0ae616c54258dd59ba94ff4e4bd71b7