Merge pull request #21921 from gitmai/bug-997787-page-resize-settings

Bug 997787 - Page resizes when resetting usage from Settings menú
r=salva
Revert "Bug 1017756 - Update Loop buttons & state (color, name, visibility...) in contact details when a branding/UX decision is taken"

This reverts commit 703fbd5d3fbb52633ed808762fe89ce6634d595e.
Merge pull request #21825 from empoalp/bug_1038616

Bug 1038616 - [Dialer] Busy tone not playing
Bug 1039847 - Dont clear background search when app is killed. r=kgrandon
bug 1038167 - Remove 80x80, 256x256. Add 84x84. Update System to correct icons. r=timdream
Merge pull request #21931 from nullaus/bug1038167

bug 1038167 - Remove 80x80, 256x256. Add 84x84. Update System to correct...
* actually add 84x84 icons.
Merge pull request #21932 from nullaus/bug1038167

bug 1038167 - Add 84x84 icons.
Bug 1039984 - [System] Trying to open a smartcollection after killing the Homescreen do nothing.

Allow Homescreen application window to be killed as other windows. But
avoiding to be marked as _killed as, from a system app perspective, the
homescreen is never killed.
Bug 1022506 - Search results app uses a white icon, rather than a dedicated nicer looking app icon
Bug 1040700 - Modify APN for ATT because last update doesn't work as expected.r=jaoo
Merge pull request #21906 from gasolin/issue-1022506

Bug 1022506 - Search results app uses a white icon, rather than a dedica..., r=kgrandon
Merge pull request #21806 from Cwiiis/fixed-position-utility-tray

Bug 984797 - Fixed position utility tray. r=etienne
Merge pull request #21891 from mcjimenez/bug1026381

Bug 1026381 - [SV] Do not modify the NFC setting if a valid SIM wasn't present at first run (r = jmcanterafonseca)
Bug 1037391 - Origin in manifest is ignored at build time. r=yurenju
Bug 961154 - When a second incoming call occurs, it does not turn the screen on
Bug 1027478 - Modify telephony API from dialEmergency(number, serviceId) to dialEmergency(number)
Merge pull request #21935 from Rik/dialEmergency-1027478

Bug 1027478 - Modify telephony API from dialEmergency(number, serviceId)... r=drs
Merge pull request #21895 from justindarc/bug1028253

Bug 1028253 - Camera App memory regression in FxOS
Merge pull request #21828 from azasypkin/bug-1039585-event-dispatcher

Bug 1039585 - [Messages][Refactoring] Implement EventDispatcher object. r=julien