Merge pull request #17781 from EverythingMe/989722-dnd-cleanup

Bug 989722 - Draggable element in Collection is not cleared after dragen...
Bug 989951 - Bump gaiatest version to 0.21.10. r=fstrugariu
Merge pull request #17707 from sergi/978696

Bug 978696 - [Sora][Contacts] The vCard exported from Soul 3.5 FF can not be imported into Android devices.
Merge pull request #17796 from askeing/989898

Bug 989898 - Fix email manual setup steps of gaiatest
Bug 986882 - [Camera][Madai] Color inconsistency in buttons on active state
Merge pull request #17814 from dmarcos/bug986882

Bug 986882 - [Camera][Madai] Color inconsistency in buttons on active st...
Bug 989974 - Disable intermittent failing unit test, system/HardwareButtons press and hold home (screen enabled) r=me
Merge pull request #17809 from davehunt/bug989951

Bug 989951 - Bump gaiatest version to 0.21.10
Merge pull request #17766 from julienw/revert-bad-revert

Revert "Revert "Merge pull request #17263 from gasolin/bubble-merge225" ...
Bug 966224 - [VDR][Contacts]
Merge pull request #17800 from KevinGrandon/bug_989916_captive_portal_test_sandboxing

Bug 989916 - [System] Fix captive_portal_test.js when run in its own sandbox
Bug 989663 - [Contacts] Jshint fixes for js/ r=arcturus
Merge pull request #16087 from rnowm/VR-contact-details

Bug 966224 - [VDR][Contacts] Apply Buttons and Input areas [BB] r=pivanov
Merge pull request #17786 from KevinGrandon/bug_989663_contacts_jshint

Bug 989663 - [Contacts] Jshint fixes for js/ r=arcturus
Bug 938896 - Find My Device client.
Bug 923139 - added aria labels and updated l10n where necessary.
Bug 923139 - added better support for disabled controls and disabling logic.
Bug 923139 - added button roles where necessary.
Bug 990006 - Change active state in dark themed [BB] buttons
Bug 923139 - updated call log to be selectable with the screen reader when not in edit mode and editable when in edit mode.