Seems to be failing the dEQP-GLES2.functional.uniform_api tests relating to boolean arrays.

BUG=angleproject:1123

This reverts commit 892a6a4b.

Change-Id: Ifc4ce3ca806ef88a02ac6f693334ac37ce098a88
Reviewed-on: https://chromium-review.googlesource.com/298520Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Jamie Madill <jmadill@chromium.org>