Merge "Persist test status to handle config interruptions" into nougat-cts-dev am: 4cad58e58d am: 4a4fa0b6c6 am: c2647e0260 am: 6018fa0cbe
am: adca5dd923

Change-Id: I5748c91568dbb78ed08e4714d993650bd0e2d606