Expand flaky XFB tests for Win/ANGLE/NVIDIA.

The whole set of tests seems to be flaky on Windows.

Bug: 822733
Tbr: kbr@chromium.org
Cq-Include-Trybots: luci.chromium.try:linux_optional_gpu_tests_rel;master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
Change-Id: Ia99bdec79e9a3c363c10d469b134e5e076c07218
Reviewed-on: https://chromium-review.googlesource.com/968761Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Cr-Commit-Position: refs/heads/master@{#544057}

content/test/gpu/gpu_tests/webgl2_conformance_expectations.py

@@ -226,14 +226,7 @@ class WebGL2ConformanceExpectations(WebGLConformanceExpectations):
         'blitframebuffer-srgb-and-linear-drawbuffers.html',
         ['win', 'nvidia', 'opengl'], bug=2355) # ANGLE bug ID
 
-    self.Flaky('deqp/functional/gles3/transformfeedback/' +
-        'basic_types_interleaved_points.html',
-        ['win', ('nvidia', 0x1cb3), 'opengl'], bug=822733)
-    self.Flaky('deqp/functional/gles3/transformfeedback/' +
-        'basic_types_interleaved_lines.html',
-        ['win', ('nvidia', 0x1cb3), 'opengl'], bug=822733)
-    self.Flaky('deqp/functional/gles3/transformfeedback/' +
-        'basic_types_interleaved_triangles.html',
+    self.Flaky('deqp/functional/gles3/transformfeedback/*',
         ['win', ('nvidia', 0x1cb3), 'opengl'], bug=822733)
 
     # Win / AMD