Fixed GL_MAX_VERTEX_UNIFORM_VECTORS and GL_MAX_FRAGMENT_UNIFORM_VECTORS to report accurate maximum value.

Change-Id: Ic581e1ef0c6be2bf1ff0092b373b3c480b6fbd8a
Reviewed-on: https://chromium-review.googlesource.com/294755Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Cooper Partin <coopp@microsoft.com>
Tryjob-Request: Jamie Madill <jmadill@chromium.org>