ADD: [droid] libstagefright dvdplayer hw codec

Conflicts:

	xbmc/android/activity/XBMCApp.cpp
	xbmc/android/activity/XBMCApp.h
ADD: brightness/contrast controls to GLES

Conflicts:

	system/shaders/guishader_frag_oes.glsl
move eglGetProcAddress to EGLWrapper