Bug 901349 - "<span>" showing in the update manager
Bug 914130 - Exporting contacts keeps the previous state
Bug 910267 - Add a busy tone when the callee is busy

Per cerfication requests we need to play a busy tone, not only display
the information to the user in a message. This commit adds a busy tone
playback. It also fixes the telephony helper tests.
Bug 914636 - Fixing message handler
Merge pull request #12048 from arcturus/bug-914130

Bug 914130 - Exporting contacts keeps the previous state
Merge pull request #12081 from lissyx/bug910267

Bug 910267 - Add a busy tone when the callee is busy r=etienne
Bug 907708 - [HD][Settings] App Permission Styling and Layout
Merge pull request #11669 from pivanov/bug-907708

Bug 907708 - [HD][Settings] App Permission Styling and Layout
Merge pull request #12083 from lodr/bug-914636-handling-messages-from-widget

Bug 914636 - Fixing message handler
r=arcturus
Bug 911714 - Hide backgrounded windows, and show foreground window.
Merge pull request #12046 from eeejay/bug-911714

Bug 911714 - Hide backgrounded windows, and show foreground window. r=alive
Merge pull request #12026 from etiennesegonzac/bug-901349-span-in-update-manager

Bug 901349 - "<span>" showing in the update manager, r=kaze
Update gaia-ui-tests.json; Merge pull request #1347 from jugglinmike/select-bug

Replace launch() with switch_to_frame() in select()
Bug 909336 - [Clock] Implement UI for switching views

r=jugglinmike