SystemUI: GoogleNow in Recents

Hardcoded for now...
PS2: Not Hardcoded
     Layout-Land
     KillAll above GNow
PS3: Whitespace & Fix Dependency
PS4: GNow right of KillAll in Landscape
PS5: Drop relevant layout-land down
     to dependency
PS8: adjusted xml styling

Change-Id: I9be63197a48253b3d57a13981e458bede95c345c