Update keyline values for PagedListView

Scroll bar buttons now center withing kl1/kl2
Recycler now starts at kl1/kl2 for the drawer
Recyler view is now centered in screen in support lib
Move all keyline values into car-support-lib

Bug: 31975881

Test: Manual

Change-Id: If011cb25e5a245cc739fd4471936c9b7bd3786ed
9 files changed