Enable Qt5 location and feedback modules
Improve resource policy handler to make it work with all media resources
Removed debug leftovers from previous commit
Cleanup embedlite changes
Reset APZC embedlite changes, in order to merge with upstream 27 properly
Merged most important APZC changes from upstream
[xulrunner] Update content when pan ends

Override HandlePanEnd of GeckoContentController so that we
can trigger content update when panning ends.
Set EmbedAsyncPanZoomController to nullptr after Destroy