AI 145244: Fully document GLSurfaceView and related classes.   BUG=1766685
AI 145244: Fully document GLSurfaceView and related classes.
  BUG=1766685

Automated import of CL 145244

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base