fix: follow android 11 storage permissions (#66)

ui/flutter/pubspec.lock

@@ -197,13 +197,6 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "4.0.6"
-  external_path:
-    dependency: "direct main"
-    description:
-      name: external_path
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "1.0.3"
   fake_async:
     dependency: transitive
     description:
@@ -309,6 +302,11 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.1"
+  flutter_localizations:
+    dependency: "direct main"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -564,41 +562,6 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.3"
-  permission_handler:
-    dependency: "direct main"
-    description:
-      name: permission_handler
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "10.1.0"
-  permission_handler_android:
-    dependency: transitive
-    description:
-      name: permission_handler_android
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "10.1.0"
-  permission_handler_apple:
-    dependency: transitive
-    description:
-      name: permission_handler_apple
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "9.0.6"
-  permission_handler_platform_interface:
-    dependency: transitive
-    description:
-      name: permission_handler_platform_interface
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "3.9.0"
-  permission_handler_windows:
-    dependency: transitive
-    description:
-      name: permission_handler_windows
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "0.1.1"
   petitparser:
     dependency: transitive
     description: