This CL adds a few more exceptions to our ES2 test import, and adds the
dm code which actually runs the tests.
Change-Id: If6691dd35931f4f10262d3a1eff020c2c347ca59
Bug: skia:12484
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/459124
Auto-Submit: John Stiles <johnstiles@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
