Add flake expectations for pixel 4

No-Try: true
Bug: 373478528
Change-Id: I741eead45bc981ca1f40c14ad82cfb2b82e83203
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/211114
Bot-Commit: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com>
Auto-Submit: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com>
diff --git a/webgpu-cts/expectations.txt b/webgpu-cts/expectations.txt
index e99dfb7..57d56b9 100644
--- a/webgpu-cts/expectations.txt
+++ b/webgpu-cts/expectations.txt
@@ -1648,6 +1648,22 @@
 crbug.com/dawn/0000 [ android-pixel-4 qualcomm ] webgpu:api,validation,capability_checks,limits,maxSamplersPerShaderStage:createPipeline,at_over:* [ Failure ]
 crbug.com/dawn/0000 [ android-pixel-4 dawn-no-backend-validation qualcomm webgpu-service-worker ] webgpu:web_platform,canvas,readbackFromWebGPUCanvas:drawTo2DCanvas:format="bgra8unorm";alphaMode="opaque";colorSpace="display-p3";webgpuCanvasType="offscreen";canvas2DType="offscreen" [ Failure ]
 
+crbug.com/373478528 [ android-pixel-4 ] webgpu:shader,validation,expression,call,builtin,atan2:values:* [ RetryOnFailure ]
+crbug.com/373478528 [ android-pixel-4 ] webgpu:shader,validation,expression,call,builtin,extractBits:values:* [ RetryOnFailure ]
+crbug.com/373478528 [ android-pixel-4 ] webgpu:shader,validation,expression,call,builtin,faceForward:values:* [ RetryOnFailure ]
+crbug.com/373478528 [ android-pixel-4 ] webgpu:shader,validation,expression,call,builtin,firstLeadingBit:values:* [ RetryOnFailure ]
+crbug.com/373478528 [ android-pixel-4 ] webgpu:shader,validation,expression,call,builtin,inverseSqrt:values:* [ RetryOnFailure ]
+crbug.com/373478528 [ android-pixel-4 ] webgpu:shader,validation,expression,call,builtin,ldexp:values:* [ RetryOnFailure ]
+crbug.com/373478528 [ android-pixel-4 ] webgpu:shader,validation,expression,call,builtin,min:values:* [ RetryOnFailure ]
+crbug.com/373478528 [ android-pixel-4 ] webgpu:shader,validation,expression,call,builtin,mix:values:* [ RetryOnFailure ]
+crbug.com/373478528 [ android-pixel-4 ] webgpu:shader,validation,expression,call,builtin,normalize:values:* [ RetryOnFailure ]
+crbug.com/373478528 [ android-pixel-4 ] webgpu:shader,validation,expression,call,builtin,pow:values:* [ RetryOnFailure ]
+crbug.com/373478528 [ android-pixel-4 ] webgpu:shader,validation,expression,call,builtin,refract:values:* [ RetryOnFailure ]
+crbug.com/373478528 [ android-pixel-4 ] webgpu:shader,validation,expression,call,builtin,sign:values:* [ RetryOnFailure ]
+crbug.com/373478528 [ android-pixel-4 ] webgpu:shader,validation,expression,call,builtin,step:values:* [ RetryOnFailure ]
+crbug.com/373478528 [ android-pixel-4 ] webgpu:shader,validation,expression,call,builtin,transpose:values:* [ RetryOnFailure ]
+crbug.com/373478528 [ android-pixel-4 ] webgpu:shader,validation,expression,call,builtin,length:vec4:* [ RetryOnFailure ]
+
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