Turn on srgb config on all bots, run image decode tests to srgb

BUG=skia:

Change-Id: Ic2fd767927172646c35dc6a4219717f7b71224ff
Reviewed-on: https://skia-review.googlesource.com/6097
Commit-Queue: Matt Sarett <msarett@google.com>
Reviewed-by: Mike Klein <mtklein@chromium.org>
27 files changed
tree: 2399b8333bb06dc4c5450126f7dc9e041adcec31
  1. recipe_modules/
  2. recipes.py
  3. recipes/