Suppress Pixel 10 compat failure

Suppresses a flaky compat CTS failure occurring on Pixel 10 devices.

Bug: 524951181
Change-Id: I7399a5634f7442ac29bb174bb027ad1aa5e823d1
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/317598
Bot-Commit: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Brian Sheedy <bsheedy@google.com>
Auto-Submit: Brian Sheedy <bsheedy@google.com>
diff --git a/webgpu-cts/compat-expectations.txt b/webgpu-cts/compat-expectations.txt
index 610e424..aeb119a 100644
--- a/webgpu-cts/compat-expectations.txt
+++ b/webgpu-cts/compat-expectations.txt
@@ -789,6 +789,7 @@
 crbug.com/523261709 [ android android-pixel-10 ] webgpu:shader,execution,expression,call,builtin,textureDimensions:external: [ Failure ]
 crbug.com/524243477 [ android android-pixel-10 ] webgpu:shader,validation,const_assert,const_assert:constant_expression_logical_and_assert:scope="function" [ Failure ]
 crbug.com/524800786 [ android android-pixel-10 ] webgpu:api,validation,image_copy,buffer_texture_copies:texture_buffer_usages:copyType="CopyB2T" [ Failure ]
+crbug.com/524951181 [ android android-pixel-10 ] webgpu:shader,execution,value_init:vec:addressSpace="private";type="f16";count=4 [ Failure ]
 
 # Untriaged failures of Pixel 10
 # See crbug.com/40238674 and crbug.com/475503907