Revert "Revert "converted vertex shaders to device coords""

This reverts commit 29b3434e48ca41672266ac40f5b9e8f8a0405cb5.

Reason for revert: The Chrome perf regression is suspect & the Nexus 5 is broken w/o this CL.

Original change's description:
> Revert "converted vertex shaders to device coords"
> 
> This reverts commit e7e81c15c144b8133f696d0744ed9f7e8d06e936.
> 
> Reason for revert: Chrome perf regressions
> 
> Bug: skia:
> Change-Id: I17fadc97c4b8e80bfdccbf123554614a00c58473
> Reviewed-on: https://skia-review.googlesource.com/99040
> Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
> Commit-Queue: Ethan Nicholas <ethannicholas@google.com>

TBR=csmartdalton@google.com,ethannicholas@google.com

Change-Id: Iff3c9fce65beeca16028ae59d4d08b1413b90530
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:
Reviewed-on: https://skia-review.googlesource.com/99241
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
11 files changed