Increase UTC coverage public/object

Increase UTC coverage public/object

line coverage, function coverage.
any.cpp ( 100%, 100% )
any.h   ( 100%, 79.3% )  not possible to get 100% function coverage due to template usage)
base-handle.h ( 92.9%, 100% ) not possible to get 100% line coverage
base-handle.cpp ( 100%, 100% )
base-object.cpp ( 100%, 90.9% ) not possible to get 100% function coverage
base-object.h ( 100%, 100% )
handle.cpp (100%, 100% )
handle.h ( 100%, 100% )
object-registry.cpp ( 100%, 100% )
object-registry.h ( 100%, 100% )

Change-Id: I4ed9f0ea5812da2409215be9842deccb21d57fe6