work on skimageinfo

work on skimageinfo

Docs-Preview: https://skia.org/?cl=109081
TBR=caryclark@google.com
Bug: skia:6898
Change-Id: I4d1734647ef1fa879d08b04c64142c7f16abc858
Reviewed-on: https://skia-review.googlesource.com/109081
Commit-Queue: Cary Clark <caryclark@skia.org>
Reviewed-by: Cary Clark <caryclark@skia.org>
19 files changed