Mark oes-texture-half-float-with-video.html as RetryOnFailure

...due to it being flaky on Win10 x64 Debug NVIDIA

Bug: 1045339
Change-Id: I123ec2801753bdae86dafc2552019a23c71d86b0
TBR: zmo@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2017431Reviewed-by: Martin Šrámek <msramek@chromium.org>
Commit-Queue: Martin Šrámek <msramek@chromium.org>
Cr-Commit-Position: refs/heads/master@{#734869}

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

@@ -562,3 +562,5 @@ crbug.com/1043953 [ chromeos ] conformance/textures/misc/texture-size-limit.html
 # ChromeOS: AMD
 crbug.com/995652 [ chromeos amd ] conformance/uniforms/out-of-bounds-uniform-array-access.html [ Skip ]
 crbug.com/1042897 [ chromeos amd ] conformance/textures/webgl_canvas/tex-2d-rgba-rgba-unsigned_byte.html [ RetryOnFailure ]
+
+crbug.com/1045339 [ Win10 debug nvidia ] conformance/extensions/oes-texture-half-float-with-video.html [ RetryOnFailure ]