MediaRouter/Wireless Display - correct initial state
MediaRouter/Wireless Display - correct initial state

Make sure we get the right initial status for wifi displays when a new
display route is first added to the MediaRouter.

Bug 7289746

Change-Id: Id41f704fc88021bd4cdf21e9f4b3c810775e1aea

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base