Introduce com.sun.star.frame.ControllerFactory singletons:

com.sun.star.frame.thePopupMenuControllerFactory
com.sun.star.frame.theStatusbarControllerFactory
com.sun.star.frame.theToolbarControllerFactory

To replace their single-instance service variants.

Change-Id: I00586d0d61e63f9482cb659071e88aa9cf02d5b5
fwk: Constructor feature for single-instance UIControllerFactories.

Change-Id: I0867404f7e4aa7b9caafe4f0568bd2c20190867f
Introduce com.sun.star.ui.theUIElementFactoryManager singleton.

To replace single-instance com.sun.star.ui.UIElementFactoryManager
service.

Change-Id: I4262909c4396e3907d271a56696a06903168a58d
fwk: Constructor feature for single-instance UIElementFactoryManager.

Change-Id: Iaa6b6bf8f132e2f8efb9ae71e9302e6be19347c9