Bag o' QC UX improvements

UX and I spent a couple days trying out different tweaks to QC.
This is the result.

Main Changes:
-landscape
-better blending, and interpolation of blended values
-different scrim animation length
-updated colors & dimensions
-scaling of title TextView during scroll
-EdgeEffect color is now dynamic
-Drop shadow size

Bug: 15725269
Change-Id: Ib992b41692704d3d932527cef715693ed7a7f4cc
16 files changed