[INTERNAL][FIX] sap.m.Popover: Add label to the input to be read as expected in the test page
[INTERNAL][FIX] sap.m.Popover: Add label to the input to be read as expected in the test page

Change-Id: I1f8f3d9229e510e2faf3f3bb364b0f1f48a05b2f
BCP: 1570789854

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