Bug 991949 - Cell broadcast ETWS messages show undefined

ETWS messages without a message body use a canned body depending on the
warning type.

Change-Id: I25491fd85894d334bd6a9ab63105379de495ef2a
Bug 1022746 - Remove requestAnimationFrame from FontSizeUtils to fix frames falling back to sync panning and zooming. r=vingtetun
Bug 997240 - added proper screen reader semantics to the homescreen's pagination bar.
Bug 1024940 - [Settings] Permissions that are explicit for privileged or web apps are not shown on Settings -> Apps permissions
bug 1021857 - Ensure z-index for AttentionScreen makes it top-most.
Bug 1016429 - [Settings] Fix unit tests with a newer mocha r=cctuan
Bug 1023266 - Make the Mobile ID API privileged. r=arthurcc
Bug 1013201 - Add in-tree config file for gaia build options used in TBPL, r=zac
Bug 1026846: require the type parameter for FL app view activity
Bug 1020264 - [flame] Status bar is displayed after launching video app and you can't play a video until it dissapears
Bug 1018495 - [Flame][Dialer] Missing headset icon when calling
Bug 1027547 - [Vertical Homescreen] [Smart collections] Context menu is displayed long pressing empty spaces
Bug 1026153 - [Vertical homescreen] Icon gets stuck while dragging and pressing power button
Bug 1026856 - [Flame][Browser] Icons in Tabs page should not be scaled while tapping it
Bug 1023329 - [VsD Refresh] Lockscreen Visual Refresh > Color overlay with notifications wrong with wallpapers chosen from gallery and camera
Bug 1027586 - [System] ignore leaks in system tests r=alive
Bug 1026716 - Selecting a search suggestion should update the search field but keep the keyboard on display
Bug 1025193 - Send a list of accepted commands when registering for Find My Device.
Bug 1024720 - making accessibility settings' volume and rate sliders visible. Adding gaia-ui tests to avoid future regressions. r=arthurcc, bebe
Bug 1018708 - Collection localizations for homescreen + add localizations to shared