update golden (#22247) (#23815)

Co-authored-by: Chris Yang <ychris@google.com>
diff --git a/testing/scenario_app/ios/Scenarios/ScenariosUITests/golden_platform_view_opacity_iPhone 8_simulator.png b/testing/scenario_app/ios/Scenarios/ScenariosUITests/golden_platform_view_opacity_iPhone 8_simulator.png
index 722fc95..f068354 100644
--- a/testing/scenario_app/ios/Scenarios/ScenariosUITests/golden_platform_view_opacity_iPhone 8_simulator.png
+++ b/testing/scenario_app/ios/Scenarios/ScenariosUITests/golden_platform_view_opacity_iPhone 8_simulator.png
Binary files differ