[INTERNAL][FIX] sap.f.DynamicPage: Corrected accessibility sample
[INTERNAL][FIX] sap.f.DynamicPage: Corrected accessibility sample

Change-Id: Iccdc2d7cabee81792175c7d0ac69304379bf7e49
BCP: 2080056699

SAP/openui5,SAP/openui5,SAP/openui5,SAP/openui5