tree 8c58ea81acb629c86fd200b98da994a306991fa0
parent 0ea7d43b2022299acbaab6accca1b33c4b3645b8
author Leon Scroggins III <scroggo@google.com> 1477660640 -0400
committer Skia Commit-Bot <skia-commit-bot@chromium.org> 1477662389 +0000

Build SkRawCodec in GN

Add BUILD.gn files for dng_sdk and piex and updated BUILD.gn to
build SkRawCodec.

We stopped testing raw images when we switched to GN, so this will
bring back our testing.

Leave SkRawCodec disabled on Windows, where we've had problems in the
past.

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4063

Change-Id: I956949506200b766a2f7efb18e0486f3a2f93a1c
Reviewed-on: https://skia-review.googlesource.com/4063
Commit-Queue: Leon Scroggins <scroggo@google.com>
Reviewed-by: Mike Klein <mtklein@chromium.org>