Start primary storage move outside lock.

Otherwise there is a potential deadlock when an unsolicited event
arrives from vold while we're still waiting for the move operation
to be processed.

The safe fix here is to kick off the move after dropping the lock.

Bug: 29501052
Change-Id: I2160c6a7a19c1d9981c692a2be2b04019352db2e
1 file changed