Revert 'Bug 1043496 - Default Image for Contacts When Image is Missing' due to Gu errors
Bug 1039455 follow up - Updating the l10n key in the test file too.
Bug 1060344 - Fix layout manager ref error
Merge pull request #23482 from alivedise/bugzilla/1060344/gij

Bug 1060344 - Fix layout manager ref error r=etienne
Merge pull request #23481 from etiennesegonzac/bug-1039455-follow-upt

Bug 1039455 follow up - Updating the l10n key in the test file too. r=alive
Bug 1037255 - Implement the fullscreen_layout behavior for the software home button.