am 6504f70b: am 0a2bacf6: am b06b3c76: Merge changes If48f5ed6,Ic63a6f73

* commit '6504f70b744d4a396fe7a016f70e331afde53348':
  emulator opengl: first commit of gralloc implementation.
  emulator opengl: OpenglSystemCommon library shared between gralloc/EGL/GLES.