tree f2eb0ef8b023735d10889f02b6764d054765aa1a
parent 04088837b5972930c1afc56b63d5217362eb13b0
author Zhijun He <zhijunhe@google.com> 1490229227 -0700
committer Zhijun He <zhijunhe@google.com> 1491867512 +0000

ImageReader/Writer: add usage flag support

Also add an ImageWriter ctor to take additional arugment (format)

Test: ImageReader and Writer CTS tests
Bug: 32766711
Change-Id: I99e3862dd5b9a85c9df7879c14c84b68a35718ec