[automerger skipped] Fix keystore wifi concurrency issue.
am: 4ea6d7a447 -s ours
am skip reason: change_id I8c5602d2c2cb1dd9423df713037e99b247cee71f with SHA1 b50236a08b is in history

Change-Id: I5e6537d889463dc170fdb1ab5ebf05004422de34