Makes All Set layout more responsive.

 - No longer forced portrait mode
 - Bottom texts are aligned proportionally to the screen height
   to avoid overlapping in landscape folded
 - Subtitle text width is limited to force wrapping to avoid an
   awkward line of text on wider screens

Fix: 189896987
Bug: 187701213
Test: Manually went between portrait/landscape/folded/unfolded.
Change-Id: Ibb2bbe545cf7f154ad77e10d574e72f8d9110a72