Bug 912951 - Send content event from gaia -> chrome with layout info for supportsSwitching
Revert "Revert "Merge pull request #12000 from nullaus/operator-variant""

This reverts commit 8b15a3359fc30f3703808763e976cfcab3812724.
Bug 898409, 898410: Fixes to operator variant

Fix writable property of navigator.mozPower, remove unused stubPower variable
Change operator variant helper from mobileConnection to iccHelper
mobileConnection seems to be unstable when the sim card is locked. This patch changes operator variant to use IccHelper for fetching mcc/mnc instead.
Bug 891725 - Added unit tests for cell broadcast and voicemail customization
Bug 891755 - Show CDMA record information
Merge pull request #12096 from eeejay/bug-914886

Bug 914886 - [Settings] Use aria-disabled instead of disabled class. r=kaze
Bug 891746 - Support short DTMF tones r=etienne
Merge pull request #12122 from gabrielesvelto/bug-891746-short-dialtones

Bug 891746 - Support short DTMF tones r=etienne
Update gaia-ui-tests.json; Merge pull request #1362 from borjasalguero/fix_wallpaper_test

Bug 912904: Fix UI-TEST
Merge pull request #12039 from comoyo/supports-switching

Bug 912951 - Send content event from gaia -> chrome with layout info for supportsSwitching
Bug 914998 - [Gallery] Edit Mode - Replacing buttons text labels with icons
Merge pull request #12167 from dmarcos/master

Bug 914998 - [Gallery] Edit Mode - Replacing buttons text labels with icons
Merge pull request #12135 from rexboy7/fix-bug891755

Bug 891755 - Show CDMA record information
Bug 909394 - [Clock] Implement Stopwatch view

r=jugglinmike
Revert "Bug 914886 - [Settings] Use aria-disabled instead of disabled class"

This reverts commit ab7d53c48864e04332df1b1d396457d1d57397dd because it breaks the linter
Merge pull request #12121 from qdot/891725-cellbroadcast-customization

Bug 891725 - Added unit tests for cell broadcast and voicemail customiza...
Bug 914886 - [Settings] Use aria-disabled instead of disabled class. r=kaze

Relanding after linter error resolved.