[INTERNAL] sap.m.Select: remove code duplication in .onAfterClose()
[INTERNAL] sap.m.Select: remove code duplication in .onAfterClose()

The "aria-owns" attribute is removed in the .onBeforeClose() event
handler.

Change-Id: I4763caab85ae0095b56a3adc31994186cf7f8dcc

SQCLabs/openui5,cschuff/openui5,olirogers/openui5,cschuff/openui5,SAP/openui5,olirogers/openui5,olirogers/openui5,SQCLabs/openui5,SAP/openui5,nzamani/openui5,SQCLabs/openui5,cschuff/openui5,SAP/openui5,nzamani/openui5,SAP/openui5,nzamani/openui5