WifiManager: add WIFI_MODE_NO_LOCKS_HELD

Add a WifiLock mode representing that no locks are held (@hide).

Bug: 28669096
Change-Id: I774d5ff226e7c639812f9735555c8ea1ed6444af
Test: compiles and runtest frameworks-wifi
(cherry picked from commit 3aa6051d62eface42ac7f577d4911c32e4497861)
1 file changed
tree: 8adb9132e18c13eb0c5a0ad5425425bf61c29949
  1. framework/