Bug 1058285 - [PDF Viewer] Make PDF viewer a certified app
Bug 1058288 - [PDF Viewer] Update pdf.js to version 1.0.696
Bug 1054126 - Support fullscreen_layout field in manifest
Merge pull request #23021 from cctuan/1054126

Bug 1054126 - Support "fullscreen_layout" field in manifest
Bug 1037047 - fixed call options off screen transition screen reader visibility. r=drs
Merge pull request #23439 from yzen/bug-1037047

Bug 1037047 - fixed call options off screen transition screen reader vis...
Merge pull request #23302 from yor-mozilla-com/bug1058288

Bug 1058288 - [PDF Viewer] Update pdf.js to version 1.0.696
Merge pull request #23286 from yor-mozilla-com/bug1058285

Bug 1058285 - [PDF Viewer] Make PDF viewer a certified app
Bug 1049730 - Add XML and HTML reports to Treeherder as artifacts. r=mdas