exynos4: getphys implementation on buffermanager for samsung omx

Conflicts:

	libs/ui/GraphicBufferMapper.cpp

Change-Id: I9f612850793e4f83515f27f9d322f14260aec11d
ui: exynos4: getphys is common

Conflicts:

	include/ui/GraphicBufferMapper.h
	libs/ui/GraphicBufferMapper.cpp

Change-Id: I8b5e1b0b22cdcd2ede0fe14f537b1bd631b98504
exynos4: ui: define USAGE_HW_FIMC1 to support gralloc

Source:
http://git.insignal.co.kr/samsung/exynos/android/platform/frameworks/native/commit/?h=exynos-jb&id=5179fef67cadaa10d72cfe6764629565bc9a1e4e

Conflicts:

	include/ui/GraphicBuffer.h

Change-Id: If8ba13011f14495543d3645969d470293c528206