ccpr: Blacklist vertex shaders on ANGLE/Skylake

Bug: skia:
Change-Id: I9834fd6b819397c52f04bbd20aee5ab03944ebea
Reviewed-on: https://skia-review.googlesource.com/96944
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
4 files changed