upgrade packages

android/app/src/dev/AndroidManifest.xml

@@ -8,7 +8,8 @@
          additional functionality it is fine to subclass or reimplement
          FlutterApplication and put your custom class here. -->
     <application
-        android:name=".Application" 
+        android:name=".Application"
+        android:exported="true"
         android:label="@string/app_name"
         android:icon="@mipmap/ic_launcher">
         <activity
@@ -16,6 +17,7 @@
             android:launchMode="singleTop"
             android:theme="@style/LaunchTheme"
             android:hardwareAccelerated="true"
+            android:exported="true"
             android:windowSoftInputMode="adjustResize">
             <!-- This keeps the window background of the activity showing
                  until Flutter renders its first frame. It can be removed if