Nearby styling updates

distance indicator:
  smaller corner radius
  increase left right padding
  decreased top bottom padding

compass:
  reduced stroke weight
  same color for ticks as for distance background
  more vertical margin to add more space above and below compass

general:
  center both compass and text vertically
  less margin between title and distance

Change-Id: I197c19bd6cd8a42c80404436943a67a063602f23
Merge "Nearby styling updates"