Snapshot specific testcases are skipped if Virtual A/B is disabled on R launch devices.
Bug: 234812188
Change-Id: I9aa17b681c6880e66fd2976e0c9d3cddc6ba2884
The SNAPSHOTTED state is allowed to be NONE if the slot hasn't changed,
to avoid needing extra snapshot cancels in the bootloader.
Bug: 154449745
Test: vts
Change-Id: Ibcb9f18f535cdcb5aae7e2c9c01e03681dbfff13