Dump cras status with generate_logs. TEST=run the generate_logs command and check the output cras.txt file. BUG=None Change-Id: I7656f7c8511ce106022d1869109e83cb35da1308 Reviewed-on: https://gerrit.chromium.org/gerrit/45202 Reviewed-by: Dylan Reid <[email protected]> Reviewed-by: Kris Rambish <[email protected]> Commit-Queue: Chih-Chung Chang <[email protected]> Tested-by: Chih-Chung Chang <[email protected]>