PickerView select row in component method added.

Items added,

**Selector:** selectPickerViewRowWithTitle: inComponent:
**Details:** Selects an item in specified component from a currently visible picker view.

Items changed,

**Selector:** selectPickerValue:pickerType:
**Details:** Implementation slightly changed to support row in component. Have tested other tests to make sure the changes is not breaking normal pickerView selection behaviour.