Fixing actual android capability

lib/devices/android/android.js

@@ -573,8 +573,8 @@ Android.prototype.setActualCapabilities = function (cb) {
       logger.debug("Device is at release version " + version);
       this.capabilities.platformVersion = version;
     }
+    return cb();
   }.bind(this));
-  cb();
 };
 
 Android.prototype.resetTimeout = deviceCommon.resetTimeout;