Add test to ensure that skcms' sRGB turns into Skia's sRGB color space

Change-Id: Ib69926218895f9c3df8d02906188f5e54d134fad
Reviewed-on: https://skia-review.googlesource.com/124265
Commit-Queue: Brian Osman <brianosman@google.com>
Auto-Submit: Brian Osman <brianosman@google.com>
Reviewed-by: Mike Klein <mtklein@chromium.org>
diff --git a/BUILD.gn b/BUILD.gn
index 1ebd6e6..7eaeed1 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -1388,6 +1388,7 @@
       ":skia",
       ":tool_utils",
       "//third_party/libpng",
+      "//third_party/skcms",
       "//third_party/zlib",
     ]
     public_deps = [