Revert "fixed constant vector swizzling"

This reverts commit 8ac36a577f14158c820bbc673f477a7ce20702e5.

Reason for revert: Need to revert 88d99c63878c2d3d340120f0321676f72afcb4f0

Original change's description:
> fixed constant vector swizzling
> 
> Bug: skia:
> Change-Id: I2d205bf7242d2223c4939c3e7897db9aba02c705
> Reviewed-on: https://skia-review.googlesource.com/35640
> Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
> Commit-Queue: Ethan Nicholas <ethannicholas@google.com>

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

Change-Id: I0b0ee62b9173beed9513947244e37d5a528f85a3
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:
Reviewed-on: https://skia-review.googlesource.com/35704
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
3 files changed