bug 1077595 - Use DataStoreChangeEvents to update Download API Manager cache up to date. Move tracking of active downloads into StatusBar instead of DownloadNotifications. r=kgrandon (system, shared), mhenretty (statusbar), arthurcc (settings)
Bug 1095638 - Split resolve/reject cases in chai-as-promised test r=julienw
Bug 1079519 - Unable to play video clips during WEBRTC video call

Do not hide the back button under the in use overlay. Handle the case where we try to resume a video while a WebRTC call is in progress

do not hide the pick activity back button under the in-use-error overlay

use a timeupdate event instead of playing event

address review comments
Merge pull request #25945 from KevinGrandon/bug_1095638_chai_split_test

Bug 1095638 - Split resolve/reject cases in chai-as-promised test
Merge pull request #25589 from nullaus/bug1077595

bug 1077595 - Use DataStoreChangeEvents to update Download API Manager c...
Revert "Bug 1091483 - Unable to show stk dialog (e.g. user confirmation dialog) ..."
Merge pull request #25953 from mozilla-b2g/revert-25797-bug1091483_v2.2

Revert "Bug 1091483 - Unable to show stk dialog (e.g. user confirmation ...
Merge pull request #25908 from davidflanagan/bug1079519-2

Bug 1079519 - Unable to play video clips during WEBRTC video call r=russn,djf