am 524a6d8e: Merge "better fix for [3028370] GL get error should return a valid error if no context is bound." into gingerbread

Merge commit '524a6d8e9bb4df9cec0520ac1d9733642b13e76f' into gingerbread-plus-aosp

* commit '524a6d8e9bb4df9cec0520ac1d9733642b13e76f':
  better fix for [3028370] GL get error should return a valid error if no context is bound.