[FEATURE] sap.m.Toolbar: HCB refactoring
[FEATURE] sap.m.Toolbar: HCB refactoring

Change-Id: I08dece1a510b50533593ee1eb0d99c19eeb36876
Signed-off-by: Nikolay Kolarov <dab97eb2e9d5b02d33d821c8cbd2f8c958e05642@sap.com>
cschuff/openui5,olirogers/openui5,SQCLabs/openui5,SQCLabs/openui5,olirogers/openui5,SAP/openui5,nzamani/openui5,SAP/openui5,cschuff/openui5,cschuff/openui5,nzamani/openui5,SAP/openui5,SQCLabs/openui5,nzamani/openui5,SAP/openui5,olirogers/openui5