Disable vector-dynamic-indexing.html on Intel

This was mistakenly enabled by CL 1877817.

Bug: 709351
Change-Id: I52ef7c4e90926f71870d208f253bc1cfa8711a5b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1881761
Commit-Queue: Kenneth Russell <kbr@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#710101}

content/test/gpu/gpu_tests/test_expectations/webgl2_conformance_expectations.txt

@@ -112,6 +112,9 @@ crbug.com/963450 [ opengl win passthrough intel ] deqp/functional/gles3/textures
 crbug.com/795030 [ opengl win passthrough intel ] deqp/functional/gles3/shadercommonfunction.html [ Failure ]
 crbug.com/angleproject/2994 [ opengl win passthrough intel ] conformance2/textures/misc/copy-texture-image-same-texture.html [ Failure ]
 
+# Intel driver issues
+crbug.com/602688 [ opengl win passthrough intel ] conformance2/glsl3/vector-dynamic-indexing.html [ Failure ]
+
 # Passthrough command decoder / Windows / OpenGL / Intel
 # This case causes no-over-optimization-on-uniform-array fail.
 crbug.com/884210 [ opengl win passthrough intel ] conformance/ogles/GL/gl_FragCoord/gl_FragCoord_001_to_003.html [ Skip ]