Show as floating window on recent apps

This also removes "hybrid properties" from recents menu, it is fairly unneeded
now. This is a test, It's probable that it will be removed later

Change-Id: I3db3a996fa08367e3dfa4231079fe5e811e3b08a
Halo: Add master switch to disable Halo (1/2)
-Port master switch from @Der-Schubi.
-Fixed Halo not showed at first notifiction pulldown.