Revert "Merge pull request #13401 from crdlc/bug-935087"

This reverts commit 2c61fbabc936f1477e3b5649e400af8d52ea8bcc, reversing
changes made to 2a0abada8aa45a1f1c09381a148fe448930f55f6.
Bug 937023 - [v1.2] Remove transparent to blue transition of lock screen handle to workaround bug 919899 and performance issues
Bug 937474.  Get rid of cloneNode() with no arguments in Gaia code.  r=sicking
Merge pull request #13526 from hfiguiere/bug915158-2

Bug 915158 - Allow setting a marionette runner host at runtime.
Bug 937289 - [Settings] Remove keyboard_helper from startup path
Merge pull request #13594 from KevinGrandon/bug_937289_settings_keyboard_startup_path

Bug 937289 - [Settings] Remove keyboard_helper from startup path r=arthurcc
Bug 936185 - [Settings] Move shims into desktop helper.
Merge pull request #12169 from hotzenklotz/915661_marionette_gallery

Bug 915661 - [Gallery] Add Marionette tests
Merge pull request #13513 from viorelaioia/bug_935915

Bug 935915 - Change test_everything_me_search for a more generic search term
Bug 937522 - Xfali test_export_contacts_to_sdcard
Merge pull request #13606 from AndreiH/bug937522

Bug 937522 - Xfali test_export_contacts_to_sdcard
Bug 937023 - Cancel the animation after unlock
Bug 937344 - Replace get_all_video files in test_camera_capture_video with video_files property
Merge pull request #13528 from EverythingMe/930538-l10n-followups

Bug 930538 - [e.me][feature] Add Collections - l10n follow-ups [r=ranben...
Bug 924240 - [B2G][Email][Contacts] Deleted contact is not erased from UI
Merge pull request #13359 from pivanov/bug-930546

Bug 930546 - [Media] Replace Gradient Background with Solid Colour r=samjoch
Bug 930223 - Use os version instead of build ID
Merge pull request #13584 from gasolin/issue-937122

Bug 937122 - [UITest] add video permission for API/getUserMedia video te..., r=evelyn
Bug 912510 - Removing non zero placeholders
Bug 935832 - Add some integration testing on SIM customization