Don't delay O.Toolbar#postMeasure to after phase.
Don't delay O.Toolbar#postMeasure to after phase.

* Although more efficient, there are a couple of issues:
- Potential multiple calls to preMeasure mapping to single postMeasure
- View may have been destroyed by the time postMeasure is called.
- Toolbar config may have changed.

linagora/overture,linagora/overture,adityab/overture,fastmail/overture,Hokua/overture