Fix Settings crashes after tapping "Learn more" in fingerprint page

It is possible in certain build configurations to have an invalid
link. Instead of crashing, swallow the error and write to logs.

Fixes: 64322876 
Test: manual - go to Settings > Security & Location > Fingerprint
               and then tap "Learn more"

Change-Id: I70beca880261df0ee3eef94f5469f44130ffd95a