Update AndroidManifest.xml.tmpl (flutter#120527)

Author: AlexV525

packages/flutter_tools/templates/app_shared/android.tmpl/app/src/main/AndroidManifest.xml.tmpl

@@ -1,6 +1,6 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="{{androidIdentifier}}">
-   <application
+    <application
         android:label="{{projectName}}"
         android:name="${applicationName}"
         android:icon="@mipmap/ic_launcher">