Update 6 lang files (new Firefox Android page, Privacy Tour)

git-svn-id: https://svn.mozilla.org/projects/mozilla.com/trunk/locales/he@133206 4eb1ac78-321c-0410-a911-ec516a8615a5
Fix confusing comment

git-svn-id: https://svn.mozilla.org/projects/mozilla.com/trunk/locales/he@133254 4eb1ac78-321c-0410-a911-ec516a8615a5
Add 3 more strings to privacy_tour

git-svn-id: https://svn.mozilla.org/projects/mozilla.com/trunk/locales/he@133298 4eb1ac78-321c-0410-a911-ec516a8615a5