Use io.flutter as org instead of placeholder

gallery/README.md

@@ -25,7 +25,7 @@ example, to run the macOS app:
 ```
 cd gallery/
 flutter config --enable-macos-desktop
-flutter create --org io.flutter .
+flutter create .
 flutter run -d macos
 ```
 

gallery/gallery/android/app/src/profile/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.example.gallery">
+    package="io.flutter.gallery">
     <!-- Flutter needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
     -->

gallery/gallery/ios/Runner.xcodeproj/project.pbxproj

@@ -389,7 +389,7 @@
 					"$(inherited)",
 					"$(PROJECT_DIR)/Flutter",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.example.gallery;
+				PRODUCT_BUNDLE_IDENTIFIER = io.flutter.gallery;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "Google Development";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
@@ -526,7 +526,7 @@
 					"$(inherited)",
 					"$(PROJECT_DIR)/Flutter",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.example.gallery;
+				PRODUCT_BUNDLE_IDENTIFIER = io.flutter.gallery;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "Google Development";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
@@ -556,7 +556,7 @@
 					"$(inherited)",
 					"$(PROJECT_DIR)/Flutter",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.example.gallery;
+				PRODUCT_BUNDLE_IDENTIFIER = io.flutter.gallery;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "Google Development";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";

gallery/gallery/macos/Runner/Configs/AppInfo.xcconfig

@@ -8,7 +8,7 @@
 PRODUCT_NAME = Flutter Gallery
 
 // The application's bundle identifier
-PRODUCT_BUNDLE_IDENTIFIER = com.example.gallery
+PRODUCT_BUNDLE_IDENTIFIER = io.flutter.gallery
 
 // The copyright displayed in application information
 PRODUCT_COPYRIGHT = Copyright 2019 The Flutter team. All rights reserved.