[INTERNAL] sap.f.LayoutType - documentation improved
[INTERNAL] sap.f.LayoutType - documentation improved

This change is to emphasize that layout value names describe the desktop
use case only.
BCP: 1770386085

Change-Id: I85737420364e0dd272870abe0912ecd7810e300f

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