Synchronize access to supplicant from p2pGetDeviceAddress

Since it is not calling the native command directly, it needs to
be synchronized just like other commands.

Bug: 17516271
Change-Id: I97ecbc7dc0f476ae52524d513e47c863e6d5ddba
1 file changed
tree: 271338d1683c796962c5e0cd4f9f5943cf7d8023
  1. service/