Add SkiaRenderer GL pixel test expectations

There are two rounded corner tests that are also failing. This CL
adds those tests to the pixel expectations.

TBR=jonross@chromium.org

Bug: 969855
Change-Id: I15a41b26a08786a477484a7f1a33910d9e54742c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1824542Reviewed-by: Chris Blume <cblume@chromium.org>
Reviewed-by: Jonathan Ross <jonross@chromium.org>
Commit-Queue: Chris Blume <cblume@chromium.org>
Cr-Commit-Position: refs/heads/master@{#699752}

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

@@ -99,7 +99,7 @@ crbug.com/648369 [ linux debug intel ] * [ RetryOnFailure ]
 crbug.com/660461 [ mac ] Pixel_ScissorTestWithPreserveDrawingBuffer [ RetryOnFailure ]
 
 # Failing on Nexus 5; haven't investigated why yet.
-crbug.com/773293 [ android qualcomm-adreno-(tm)-330 ] Pixel_WebGL2_BlitFramebuffer_Result_Displayed [ Skip ]
+crbug.com/773293 [ android no-use-gl qualcomm-adreno-(tm)-330 ] Pixel_WebGL2_BlitFramebuffer_Result_Displayed [ Skip ]
 crbug.com/773293 [ android qualcomm-adreno-(tm)-330 ] Pixel_WebGL2_ClearBufferfv_Result_Displayed [ Skip ]
 
 crbug.com/774809 [ highsierra intel-0xa2e ] Pixel_WebGLGreenTriangle_NonChromiumImage_NoAA_NoAlpha [ Failure ]
@@ -234,7 +234,9 @@ crbug.com/969864 [ android skia-renderer use-gl no-use-vulkan ] Pixel_Video_MP4_
 crbug.com/969864 [ android skia-renderer use-gl no-use-vulkan ] Pixel_Video_MP4_FourColors_Rot_180 [ Skip ]
 crbug.com/969864 [ android skia-renderer use-gl no-use-vulkan ] Pixel_Video_MP4_FourColors_Rot_270 [ Skip ]
 crbug.com/969864 [ android skia-renderer use-gl no-use-vulkan ] Pixel_Video_MP4_FourColors_Rot_90 [ Skip ]
+crbug.com/969864 [ android skia-renderer use-gl no-use-vulkan ] Pixel_Video_MP4_Rounded_Corner [ Skip ]
 crbug.com/969864 [ android skia-renderer use-gl no-use-vulkan ] Pixel_Video_VP9 [ Skip ]
+crbug.com/969864 [ android skia-renderer use-gl no-use-vulkan ] Pixel_WebGL2_BlitFramebuffer_Result_Displayed [ Skip ]
 
 # Produces blank images on Intel HD 630 w/ Mesa 19.0.2
 crbug.com/976861 [ linux intel-0x5912 ] Pixel_OffscreenCanvasTransferToImageBitmap [ Skip ]