rename and replace icon

android/app/src/main/AndroidManifest.xml

@@ -8,9 +8,9 @@
     <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
 
    <application
-        android:label="flutter_google_map"
+        android:label="Google Map"
         android:name="${applicationName}"
-        android:icon="@mipmap/ic_launcher">
+        android:icon="@drawable/ic_launcher">
 
         <activity
             android:name=".MainActivity"