As part of the desktop refresh, we are moving towards a universal
hook for adding menu items. This allows more control over placement
without breaking backwards compatibility.
In modern skins, the personal URLs bar is split into
user-menu and notifications options which are combined for legacy
skins.
Depends-On: If4805e5186756056afcd31d21919e907a7782ce8
Bug: T282196
Change-Id: I79fa85e67d9c0064dd4dc9437517264d5fc04140
jdlrobsonandJdlrobson
2c46226f83