Compatibility work around for bad graphics driver dependency.

This is a compatibility shim for one product whose drivers
are depending on SurfaceComposerClient::getDisplayInfo(
int, DisplayInfo*) when it really shouldn't.

Revert this patch when the problem has been resolved.

Bug: 7065398
Change-Id: I6542691b81fd1b1e1d79500a62e82d40a3d51db7

Conflicts:
	include/gui/SurfaceComposerClient.h
	libs/gui/SurfaceComposerClient.cpp
SurfaceComposerClient: bring back getDisplayWidth, Height & Orientation

enable it with either ICS_CAMERA_BLOB or MR0_CAMERA_BLOB CFLAG

Change-Id: Ieb5d36ad2a87ed1f0aa28ae3afbd5d48c880d6ab