This binary will be used to generate internal shaders for
clearing/blit/etc.

Bug: angleproject:2339
Change-Id: I13db7d7a4f5a0155798c9b9a6d2972dd69a680ef
Reviewed-on: https://chromium-review.googlesource.com/904683
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>