[FIX] sap.m.delegate.ValueStateMessage: Value state text reading corrected
[FIX] sap.m.delegate.ValueStateMessage: Value state text reading corrected

The value state message is now correctly read. First aria-invalid is 
read, after that "Value State Error" and finally the actual message.

BCP: 1780146191
Change-Id: I0ef5690c9564aa9d23866e72dafadd71dac852d5

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