Add HTML to live dev info message

As in src/nls/root/strings.js
Updated by ALF automation.
Update strings.js

It seems I've forgotten this in my last edit - I'm sorry for that
Updated by ALF automation.
Merge branch 'master' into alf_localization
Updated by ALF automation.
Merge pull request #5261 from adobe/alf_localization

DO NOT MERGE UNTIL SPRINT 32 - ALF Automation
Merge pull request #5256 from SAPlayer/patch-4

Add HTML to live dev info message