Revert "Removing OVR_multiview2 suppressions"

This reverts commit 627a3abc.

Reason for revert: Fails on multiple bots, see crbug.com/906739

Original change's description:
> Removing OVR_multiview2 suppressions
> 
> Bug: chromium:906739
> Change-Id: Ibbd8715c900220242d44ddfef51449b155f81c43
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1877610
> Reviewed-by: Kai Ninomiya <kainino@chromium.org>
> Commit-Queue: Mingyu Hu <mihu@microsoft.com>
> Cr-Commit-Position: refs/heads/master@{#710516}

TBR=rafael.cintron@microsoft.com,kainino@chromium.org,mihu@microsoft.com

Change-Id: If22b20c4b5dd8fdf6d6368a02db82125d75d055f
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:906739
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1890991Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Commit-Queue: Yuly Novikov <ynovikov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#710828}

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

@@ -35,8 +35,12 @@
 [ mac ] WebglExtension_WEBGL_compressed_texture_s3tc_srgb [ Skip ]
 [ linux ] WebglExtension_WEBGL_compressed_texture_s3tc_srgb [ Skip ]
 
-# OVR_multiview2 only runs in passthrough
-crbug.com/864524 [ no-passthrough ] WebglExtension_OVR_multiview2 [ Skip ]
+# Disabling all multiview checks temporarily while ANGLE side changes
+# get merged in.
+crbug.com/864524 [ win ] WebglExtension_OVR_multiview2 [ Skip ]
+crbug.com/864524 [ mac ] WebglExtension_OVR_multiview2 [ Skip ]
+crbug.com/864524 [ android ] WebglExtension_OVR_multiview2 [ Skip ]
+crbug.com/864524 [ linux ] WebglExtension_OVR_multiview2 [ Skip ]
 crbug.com/808744 [ android ] WebglExtension_EXT_disjoint_timer_query_webgl2 [ Skip ]
 crbug.com/849576 [ no-passthrough ] WebglExtension_KHR_parallel_shader_compile [ Skip ]
 crbug.com/945970 [ android ] WebglExtension_EXT_float_blend [ Skip ]
@@ -47,6 +51,8 @@ crbug.com/945970 [ android ] WebglExtension_EXT_float_blend [ Skip ]
 
 crbug.com/953120 conformance/programs/program-handling.html [ Failure ]
 
+crbug.com/949249 [ passthrough ] conformance2/extensions/ovr_multiview2.html [ Failure ]
+
 # Failing new test
 crbug.com/874620 [ linux nvidia ] conformance2/glsl3/const-struct-from-array-as-function-parameter.html [ Failure ]
 crbug.com/874620 [ opengl win nvidia ] conformance2/glsl3/const-struct-from-array-as-function-parameter.html [ Failure ]