Merge pull request #21049 from vingtetun/bug1028650

Bug 1028650 - getConnectedDevices is not a function. r=21
Bug 1030675 - Handle search app crashes. r=kgrandon
Bug 1027429 - Honor duration in Find My Device while tracking.
Revert "Merge pull request #21040 from vingtetun/opaque.statusbar"

This reverts commit 6d33e7207146e86586ed49434662b9c1899c0a79, reversing
changes made to 62a4c0ae611ff15b721e93fb579aad02c09b4aa5.
Merge pull request #20996 from KevinGrandon/bug_1029040_collections_offline_experience

Bug 1029040 - [Collection app] Do not allow creation of collections while offline
Merge pull request #21040 from vingtetun/opaque.statusbar
Bug 1005057 - Switch to system frame inside get/set permission test methods
Merge pull request #20992 from justindarc/bug1014968

Bug 1014968 - [B2G][Camera][Flame] When watching a video preview in came...
Merge pull request #20898 from zacc/bug_1027570

Bug 1027570 - Update testing lockscreen atom as per bug 970824.
Revert "Bug 1027570 - Update testing lockscreen atom as per bug 970824."

This reverts commit ddcbf3630af82f08549e35d5d1b2fa245e9049d6.
Merge pull request #21000 from lightsofapollo/faster-homescreen-removes

Bug 1029891 - Remove items from the homescreen async without activities.
s
Merge pull request #20714 from pivanov/bug-1027112

Bug 1027112 - [Homescreen] New wallpaper to replace current grass wallpaper
Bug 1028661 - [Rocketbar] Overlay of homescreen and search result view after a cancel search. r=kgrandon
Revert "s"

This reverts commit 4218fa3b54d7834d27285d59b80b8d34ec8149d8.
Bug 1027112 - [Homescreen] New wallpaper to replace current grass wallpaper r=vingtetun
Bug 1028254 - Bump marionette client dependency to 0.7.10. r=ahalberstadt
Bug 1028940 - Exit the edit mode when the homescreen is not visible. r=Cwiiis
Merge pull request #21007 from jimporter/ringtones-validate

Bug 1017421 - [ringtones][Flame only] previewing ringtones doesn't stop ...
Bug 1030906 - Bump gaiatest version to 0.24. r=ahalberstadt