fix permission problem android sdk api level 29

Author: Dominik

plugin.xml

@@ -25,6 +25,7 @@
       <uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/>
       <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
       <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
+      <uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION" />
     </config-file>
   </platform>
   <platform name="ios">