Apply changes caused by https://github.com/flutter/flutter/pull/76662 (#77093)

diff --git a/dev/integration_tests/flutter_gallery/linux/flutter/generated_plugin_registrant.cc b/dev/integration_tests/flutter_gallery/linux/flutter/generated_plugin_registrant.cc
index 026851f..f6f23bf 100644
--- a/dev/integration_tests/flutter_gallery/linux/flutter/generated_plugin_registrant.cc
+++ b/dev/integration_tests/flutter_gallery/linux/flutter/generated_plugin_registrant.cc
@@ -2,6 +2,8 @@
 //  Generated file. Do not edit.
 //
 
+// clang-format off
+
 #include "generated_plugin_registrant.h"
 
 #include <url_launcher_linux/url_launcher_plugin.h>
diff --git a/dev/integration_tests/flutter_gallery/linux/flutter/generated_plugin_registrant.h b/dev/integration_tests/flutter_gallery/linux/flutter/generated_plugin_registrant.h
index 9bf7478..e0f0a47 100644
--- a/dev/integration_tests/flutter_gallery/linux/flutter/generated_plugin_registrant.h
+++ b/dev/integration_tests/flutter_gallery/linux/flutter/generated_plugin_registrant.h
@@ -2,6 +2,8 @@
 //  Generated file. Do not edit.
 //
 
+// clang-format off
+
 #ifndef GENERATED_PLUGIN_REGISTRANT_
 #define GENERATED_PLUGIN_REGISTRANT_
 
diff --git a/dev/integration_tests/flutter_gallery/windows/flutter/generated_plugin_registrant.cc b/dev/integration_tests/flutter_gallery/windows/flutter/generated_plugin_registrant.cc
index ddfcf7c..d9fdd53 100644
--- a/dev/integration_tests/flutter_gallery/windows/flutter/generated_plugin_registrant.cc
+++ b/dev/integration_tests/flutter_gallery/windows/flutter/generated_plugin_registrant.cc
@@ -2,6 +2,8 @@
 //  Generated file. Do not edit.
 //
 
+// clang-format off
+
 #include "generated_plugin_registrant.h"
 
 #include <url_launcher_windows/url_launcher_plugin.h>
diff --git a/dev/integration_tests/flutter_gallery/windows/flutter/generated_plugin_registrant.h b/dev/integration_tests/flutter_gallery/windows/flutter/generated_plugin_registrant.h
index 9846246..dc139d8 100644
--- a/dev/integration_tests/flutter_gallery/windows/flutter/generated_plugin_registrant.h
+++ b/dev/integration_tests/flutter_gallery/windows/flutter/generated_plugin_registrant.h
@@ -2,6 +2,8 @@
 //  Generated file. Do not edit.
 //
 
+// clang-format off
+
 #ifndef GENERATED_PLUGIN_REGISTRANT_
 #define GENERATED_PLUGIN_REGISTRANT_
 
diff --git a/examples/hello_world/ios/Runner/GeneratedPluginRegistrant.h b/examples/hello_world/ios/Runner/GeneratedPluginRegistrant.h
index ed9a5c6..7a89092 100644
--- a/examples/hello_world/ios/Runner/GeneratedPluginRegistrant.h
+++ b/examples/hello_world/ios/Runner/GeneratedPluginRegistrant.h
@@ -2,6 +2,8 @@
 //  Generated file. Do not edit.
 //
 
+// clang-format off
+
 #ifndef GeneratedPluginRegistrant_h
 #define GeneratedPluginRegistrant_h
 
diff --git a/examples/hello_world/ios/Runner/GeneratedPluginRegistrant.m b/examples/hello_world/ios/Runner/GeneratedPluginRegistrant.m
index 60dfa42..efe65ec 100644
--- a/examples/hello_world/ios/Runner/GeneratedPluginRegistrant.m
+++ b/examples/hello_world/ios/Runner/GeneratedPluginRegistrant.m
@@ -2,6 +2,8 @@
 //  Generated file. Do not edit.
 //
 
+// clang-format off
+
 #import "GeneratedPluginRegistrant.h"
 
 @implementation GeneratedPluginRegistrant