Channel ID is now default off in the params constructor, but still
default on as a feature in Chromium, but is deprecated and scheduled for
being removed and replaced with token-binding. This patch follows the
Chromium feature defaults for which of those is on or off.

Change-Id: I3b9a0bc38bd42668d515d1e321c3f3b92144e986
Reviewed-by: Michael Brüning <michael.bruning@qt.io>