Fix EGLQueryContextTest.
Fix EGLQueryContextTest.

BUG=466704

Change-Id: I6d87d6cd155fea347cac50b6cb5d1f9641f23e4a
Reviewed-on: https://chromium-review.googlesource.com/259761
Tested-by: Jamie Madill <7e492b4f1c8458024932de3ba475cbf015424c30@chromium.org>
Reviewed-by: Kenneth Russell <1ebccd90c2bc76de65b6f830f2128a91ed69fdfb@chromium.org>

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