[Physical Keyboard Setting] Update layout for one pane land screen

If device is one pane and is land orientation, set new layout for it to
match with UX markup, this change will not effect on tablet, which is
two pane setting.

Bug: 325878673
Test: verify on device
Screenshot: https://screenshot.googleplex.com/BkETMhqp9GXM3cc.png
Change-Id: I066c3d782a2de8993a3fe9632676b67c2203d638