[automerger skipped] Fix flaky testEnableRollbackTimeoutFailsRollback test am: 1d66bf8c48 am: 79e8fcb4ae
am: 4371b2a00e -s ours
am skip reason: change_id Id94d5452836b07d6f802758bd0dfdd3c276a3c05 with SHA1 b61fac95f5 is in history

Change-Id: I91290cbc6c96dc620d64ef18c0e80a2da049b0a5