Added reminder about the android.permission.ACCESS_NETWORK_STATE.

Author: hamorphis

connectivity/connectivity.d.ts

@@ -5,6 +5,7 @@ declare module "connectivity" {
     /**
      * Gets the type of connection.
      * Returns a value from the connectivity.connectionType enumeration.
+     * To use this method on Android you need to have the android.permission.ACCESS_NETWORK_STATE permission added to the AndroidManifest.xml file.
      */
     export function getConnectionType(): number;