Bug 1053276 - [Messages] ActivityHandler tests are failing if the test agent is hidden r=azasypkin
Bug 1049198 - Camera/Video should use mark Color layer as [not visible] when covered by video
Bug 1050725 - Reduce overpaint of the email app
Merge pull request #22594 from justindarc/bug1049198

Bug 1049198 - Camera/Video should use mark Color layer as [not visible] ...
Merge pull request #22899 from jrburke/bug1050725-email-notranslate-overpaint

Bug 1050725 - Reduce overpaint of the email app. Patch from vingtetun, r=jrburke
Merge pull request #22841 from julienw/1053276-fix-activity-handler-tests

Bug 1053276 - [Messages] ActivityHandler tests are failing if the test a...