Prevent nav bar from laying out dimensions of previous orientation

Layout changes occurred on "onSizeChanged" caused many issues related to
laying out children in the correct orientation. For example, rotation
from landscape to portrait sometimes uses landscape dimensions. Correct
usage is to apply changes in onMeasure to determine if the navigation
bar is vertical or not.

Test: manual
Fixes: 127092591
Change-Id: Ia63165a444d1255c6f69e47ac54015f51b2a1777