tree 4c10e3a32cc8df0dab27ec898687421e763009e7
parent 9b58c85524675fd81cd093a8df5273a02f537661
author Zhijun He <zhijunhe@google.com> 1424830343 -0800
committer Zhijun He <zhijunhe@google.com> 1426900798 -0700

ImageReader/Writer: Add ImageWriter and Opaque ImageReader

ImageWriter/Reader API change, including below changes
* Interface for Opaque ImageReader
* ImageWriter Interface and implementation
* Image class minor update to support ImageWriter opaque ImageReader

detach/attach interface are defined but yet to be implemented.

Change-Id: Ic7c0d2df73c80b1a81a7316d8c4556bf7703c309