tree f6cd9b9b1ff98059b3de68872a98a661a8e32a2e
parent af3800355bf5512cbde344861c60e292e1cb90bb
author Will Angley <willangley@google.com> 1459554790 -0400
committer Will Angley <willangley@google.com> 1459809126 -0400

Take the /bin/wifi lock in Waveguide scans.

This should reduce how often conman and waveguide race each other at
system boot time.

Also, fix locking:

* Only take the lock once per invocation of /bin/wifi (!!!)
* Try to release the lock when we're done. :)

Change-Id: Ib86e410f3eb23341ab97f92b4619fa099548dee1