[1/2] OmniGeras: Swap volume buttons when the screen is rotated

PS8:
-test how it works with a list for location

PS10:

- just cleanup before do a modal

PS14:

- Works with a dialog

PS15:

- handle dialog state on screen rotation

PS16:

- UI tweaks

Change-Id: Ic5ae49ad17c9884eaf987ea09c32b029e868a919