fix eglChooseConfig() for special attributes.

affects software renderer (emu) only.

per EGL spec:
  If EGL_MAX_PBUFFER_WIDTH, EGL_MAX_PBUFFER_HEIGHT,
  EGL_MAX_PBUFFER_PIXELS, or EGL_NATIVE_VISUAL_ID are speciļ¬ed
  in attrib list, then they are ignored

Change-Id: I3d5214ce896986da2f11d2eb1889afc41731eaa6
1 file changed