[INTERNAL] HasPopup enumeration reverted
[INTERNAL] HasPopup enumeration reverted

The values inside aria.HasPopup are now reverted to start
with capital letters, so that there won't be any problems
when they're called both from XML views and JS

Change-Id: Ieb74ddcf8d1f86e16e3bc16793cf50b8c9fdb7f4

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