TEST=deqp/functional/gles3/shaderstatequery.html
BUG=angleproject:1523
BUG=chromium:668223

Change-Id: I24230144f8529d84cdbde3d5a8ad9178481550a9
Reviewed-on: https://chromium-review.googlesource.com/458680
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>