Switch Intel Broadwell (Iris 6100) to ANGLE.

BUG=skia:5933

Change-Id: I440414d3d3db72a55be493aeb910bda29cc87841
Reviewed-on: https://skia-review.googlesource.com/5473
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Ben Wagner <benjaminwagner@google.com>
tree: f7fca5106ed573a8477546ddca0ddc51cacb6b2a
  1. recipe_modules/
  2. recipes.py
  3. recipes/