Merge pull request #20013 from gaye/backout-963394

Revert "Merge pull request #19058 from evanxd/bug-963394"
Bug 1017024 - [Messages] Bug 963018 change panel's default height and leads the notification mispositioned r=schung
Merge pull request #19774 from azasypkin/bug-1008890-carrier-header

Bug 1008890 - [Messages] Thread carrier header is not localized correctly right after language switch. r=schung
Merge pull request #19850 from TheoChevalier/l10n-homescreen-fix

Bug 1018601 - Fix l10n for homescreen layout settings
Merge pull request #19887 from benfrancis/1009353

Bug 1009353 - Configure Rocketbar search provider at build time r=kevingrandon r=yuren
Bug 1020387 - [lockscreen] typo of notifications-lockscreen-container
Bug 1018412 - [Camera] Integration test for pinch-to-zoom
Merge pull request #19489 from punamdahiya/Bug1011460

Bug1011460 - Wallpaper picker flickering r=djf
Bug 1020399 - Update component_utils with shadow-dom style fix
Merge pull request #19904 from KevinGrandon/bug_991366_new_wallpapers

 Bug 991366 - [Wallpaper] New Wallapers for 2.0
Merge pull request #19170 from KevinGrandon/bug_1009111_home2_default_enabled

Bug 1009111 - Enable vertical homescreen by default
Merge pull request #19615 from KevinGrandon/bug_1014591_icon_sizes

Bug 1014591 - [Vertical] Replace app icons with the final assets
Bug 908300 - use overflow and mutation observer to resize header font
Merge pull request #19932 from viorelaioia/948473

Bug 948473 - Test "add a new contact" activity
Bug 1017350 - Simplify divider design for verticalhome r=kgrandon
Bug 1004542 - [BB] Add :focus style to the header buttons
Bug 1019468 - Make <gaia-toolbar>
Bug 948447 - Convert Facebook to new Notification API
Merge pull request #19895 from justindarc/bug1018475

Bug 1018475 - [B2G][Flame][Camera]Recording a video in the Camera app pl...
Merge pull request #19689 from pivanov/bug-1011418

Bug 1011418 - [Dialer][Call Screen] In-app message should follow the visual refresh spec