Re-enable WebGL ETC compressed texture tests on Android.

Should be passing now that ANGLE has rolled forward.

Tbr: jdarpinian@chromium.org
Bug: 1011653
Change-Id: Ib889a711406026d7742b912b72a074ac96890966
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1848547Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Kenneth Russell <kbr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#704027}

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

@@ -35,10 +35,6 @@
 [ mac ] WebglExtension_WEBGL_compressed_texture_s3tc_srgb [ Skip ]
 [ linux ] WebglExtension_WEBGL_compressed_texture_s3tc_srgb [ Skip ]
 
-# TODO(crbug.com/1011653): re-enable these tests after ANGLE roll.
-crbug.com/1011653 [ android ] WebglExtension_WEBGL_compressed_texture_etc [ Skip ]
-crbug.com/1011653 [ android ] WebglExtension_WEBGL_compressed_texture_etc1 [ Skip ]
-
 # Disabling all multiview checks temporarily while ANGLE side changes
 # get merged in.
 crbug.com/864524 [ win ] WebglExtension_OVR_multiview2 [ Skip ]

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

@@ -42,10 +42,6 @@ crbug.com/angleproject/2672 [ vulkan passthrough ] WebglExtension_WEBGL_multi_dr
 crbug.com/808744 [ android ] WebglExtension_EXT_disjoint_timer_query [ Skip ]
 crbug.com/849576 [ no-passthrough ] WebglExtension_KHR_parallel_shader_compile [ Skip ]
 
-# TODO(crbug.com/1011653): re-enable these tests after ANGLE roll.
-crbug.com/1011653 [ android ] WebglExtension_WEBGL_compressed_texture_etc [ Skip ]
-crbug.com/1011653 [ android ] WebglExtension_WEBGL_compressed_texture_etc1 [ Skip ]
-
 # Extensions not available under D3D9
 [ win d3d9 ] WebglExtension_EXT_sRGB [ Failure ]
 crbug.com/867718 [ win d3d9 ] WebglExtension_EXT_disjoint_timer_query [ Failure ]