[FEATURE] sap.ui.Device: Introduce Blink flag
[FEATURE] sap.ui.Device: Introduce Blink flag

The Chrome browser from version 28 and above and various other browser use the
Blink rendering engine. But often the user agents still includes the Webkit
keyword.

For compatibility reasons the Webkit detection works like before, but a
new blink Device API flag is introduced, which is set independently of
the Webkit flag.

BCP: 1870097430

Change-Id: I99555b0ee7b6e12e0514b136b9c31bc03862e92d

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