Merge pull request #20433 from gmarty/bug-1014918-FTU-No-operator-shown-when-SIM-has-PIN

Bug 1014918 - [FTU][Sim Manager][Flame] 'No operator' is shown when a SIM has PIN
Bug 1026313 - [Vertical Homescreen] Icon gets stuck when dragging it near the home button
Bug 1023860 - Canceling the UI flow should clean up pending content requests. r=alive
Bug 1026424 - Remove explicit switching from camera app, rely on displayed atom
Merge pull request #20511 from guilherme-pg/bug1017832-play-sound-doesnt-play

Bug 1017832 - Properly use 'content' channel for playing sound on Find My Device. r=dflanagan
Bug 992473 - Switch to use MutationObservers for DOM localization. r=stas, sr=vingtetun
Merge pull request #19166 from zbraniecki/992473-l10n-mutationobservers

Bug 992473 - Switch to use MutationObservers for DOM localization. r=stas, sr=vingtetun
Merge pull request #20663 from zacc/bug_1026424_wallpaper

Bug 1026424 - Remove explicit frame switching from wallpaper test
Bug 1025996 -  Intermittent test_export_contacts_to_sdcard.py
Bug 1019599 - Delete the emasulated test_url_keyboard.py
Bug 941544 - running_apps should always switch to System frame before executing system javascript
Merge pull request #20683 from zacc/bug_1025996

Bug 1025996 -  Intermittent test_export_contacts_to_sdcard.py
Merge pull request #20669 from zacc/bug_1026424_gallery

Bug 1026424 - Remove frame switching in gallery app tests where possible
Bug 1027050 - [v2.1] Change cost_control button locators
Merge pull request #20576 from etiennesegonzac/bug-1017416-forward-touch-to-activities

Bug 1017416 - Make sure the ringtones app is included in the stack r=alive
Merge pull request #20661 from zacc/bug_1026424_bookmark

Bug 1026424 - Remove explicit frame switching in Browser tests, rely on ...
Merge pull request #20573 from EverythingMe/1025889-first-load

1025889 first load
Merge pull request #20662 from zacc/bug_1026424_camera

Bug 1026424 - Remove explicit switching from camera app, rely on display...
Merge pull request #20690 from zacc/bug_1019599

Bug 1019599 - Delete the emasulated test_url_keyboard.py
Merge pull request #20692 from AndreiH/bug_1027050

Bug 1027050 - [v2.1] Change cost_control button locators