Fix bug of deqp uniformapi.html case
Fix bug of deqp uniformapi.html case

BUG=575538
TEST=deqp/functional/gles3/uniformapi.html

Review URL: https://codereview.chromium.org/1564283002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#368487}

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk