Make ViewPagerTabs and FABController RTL aware

* Underline in ViewPagerTabStrips is correctly drawn in RTL mode
* Clicking on ViewPagerTabs propogates correct onPageSelected position
to ViewPager
* FAB is now end aligned instead of right aligned
* ViewPager in Dialer is correctly reversed and behaves correctly
* Call Log groups headers in call log are now correctly aligned in RTL
Bug: 16162264
Bug: 16464471
Change-Id: I2db6b9147a628a68fba5bbbdb7276855d483bad5