Revert "Revert "Bug 1027144 - Re-enable test_homescreen_move_app.py" for intermittent test failures"

This reverts commit a0807151b0b28feb59b323a30b1f74dc8801be32.
Merge pull request #20774 from 6a68/bug-1027950-settings-fmd-onerror-handlers

Bug 1027950 - [Settings][Find My Device] Do not attach handlers inside onerror callback
Bug 994519 - Introduce l10n.setAttributes and l10n.getAttributes. r=stas
Merge pull request #21124 from zbraniecki/994519-add-setattributes

Bug 994519 - Introduce l10n.setAttributes and l10n.getAttributes. r=stas
Bug 1030764 - [Flame] Searching for Facebook returns only two search results, even though there should be far more search results available
Merge pull request #20942 from DouglasSherk/1021175-callscreen-incorrect-wallpaper

Bug 1021175 - [Dialer] Fix incorrect wallpaper shown if the user changes it. r=etienne
Merge pull request #21126 from KevinGrandon/land_bug_1027144

Revert "Revert "Bug 1027144 - Re-enable test_homescreen_move_app.py" for intermittent test failures"
bug 1029609 - Show spinner when loading new collections. r=kgrandon
Merge pull request #21131 from nullaus/bug1029609

bug 1029609 - Show spinner when loading new collections. r=kgrandon
Bug 1023950 - Enable verticalhome tests now that we have an updated gecko nightly
Empty commit to hopefully get the bumper bot working again
Bug 1031136 - [Calendar] "All day" overlaps in month view for long localizations
Merge pull request #21132 from KevinGrandon/bug_1023950_apply_tests

Bug 1023950 - Enable verticalhome tests now that we have an updated gecko nightly
Bug 1022098 - Follow-up, rename and fix tests r=me
Bug 1030194 - [Rocketbar] Search term will show brackets for searches that have the two of the same words or content [r=kgrandon]
Merge pull request #21114 from vingtetun/bug1023359

Bug 1023359 - Use touch events instead of mouse events for the battery n...
Merge pull request #21111 from vingtetun/bug1028940

Bug 1028940 - Exit the edit mode when the homescreen is not visible. r=C...
Merge pull request #21106 from vingtetun/bug1031258

Bug 1031258 - Smart collection view does not use APZ. r=kgrandon
Bug 1026792 - [Rocketbar] Rocketbar search should be cancelled when the device sleeps, or gets locked. Followup. r=kgrandon
Merge pull request #21137 from vingtetun/bug1026792.followup

Bug 1026792 - [Rocketbar] Rocketbar search should be cancelled when the ...