VOP → UT Relation

File in samples/VOP	Includes file in UT
VOP_CustomContext.C	UT_Assert.h
VOP_CustomContext.C	UT_DSOVersion.h
VOP_CustomContext.C	UT_WorkBuffer.h
VOP_Switch.C	UT_DSOVersion.h
VOP_Switch.C	UT_StringStream.h