Bug 934446 - Test Messages contact input validation
Bug 931201 - Add Dutch keyboard layout.
 - Also clean up some entries in shared/resources/keyboard_layouts.json
Bug 937116 - [Download Manager] Create a utility library for common DOM Download operations r=kaze,crdlc
Merge pull request #13658 from RudyLu/keyboard/Bug931201-dutch_keyboard_layout

Bug 931201 - Add Dutch keyboard layout, fix some locale-layout mapping, r=timdream
Merge pull request #13668 from bobsilverberg/tbpl_up

Bug 934446 - Test Messages contact input validation
Bug 934921 - Making getSegmentInfoForTest() asynchronous.
Revert "Bug 937970 - [Settings] Move 'Sample Format' section below language selector. r=arthurcc" for Breaking Gaia Unit Tests

This reverts commit 50a19f9900fc2a63dd532fb21c82d320a9695f66.
Bug 938548 - Python add test for swiping through apps with edge gestures.
Merge pull request #13551 from lodr/bug-934921-null-sms

Bug 934921 - Making getSegmentInfoForTest() asynchronous
r=arcturus
Merge pull request #13631 from borjasalguero/common_library_download

Bug 937116 - [Download Manager] Create a utility library for common DOM ...
Merge pull request #13697 from zacc/bug_938548

Bug 938548 - Python add test for swiping through apps with edge gestures...
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