Use DeclareInterfaceID and extends for (I)SiZvertexMaker(_xk) (ATLASRECTS-3037)

Use DeclareInterfaceID and extends for (I)SiZvertexMaker(_xk)

This merge request affects 2 packages:

• InnerDetector/InDetRecTools/InDetRecToolInterfaces
• InnerDetector/InDetRecTools/SiZvertexTool_xk

added InnerDetector master review-pending-level-1 labels

CI Result SUCCESS

	Athena	AthSimulation
externals
cmake
make
required tests
optional tests

Full details available at NICOS MR-23400-2019-05-14-10-45
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST 38402]

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit ba818291

added sweep:ignore label

changed title from Use DeclareInterfaceID and extends for (I)SiZvertexMaker(_xk) to Use DeclareInterfaceID and extends for (I)SiZvertexMaker(_xk) (ATLASRECTS-3037)