Revert "Expose an IRemoteDisplay to trigger wifi display connections setup and feedback."

This reverts commit 0b73d4730202fcad53aefc4314a06e7b95f442f0.

Conflicts:
	media/libmediaplayerservice/MediaPlayerService.cpp
	media/libmediaplayerservice/RemoteDisplay.cpp
	media/libmediaplayerservice/RemoteDisplay.h
	media/libstagefright/wifi-display/source/WifiDisplaySource.cpp
	media/libstagefright/wifi-display/source/WifiDisplaySource.h

Change-Id: Ieba5d6303b2a22a207b27ac1113601d30d4f1193
Revert "Configure the SurfaceMediaSource to emit the same number of buffers"

This reverts commit 66e72bc85fb762876baff60ef29de729da93cf26.