move NEON matrixProcs into matrixProcs.cpp
This is basically a no-op, just me doing a little bookkeeping to get
src/opts fully cleaned up. As usual, I want to do more refactoring
after moving this around, as another CL probably.
Cq-Include-Trybots: luci.chromium.try:linux-blink-rel
Change-Id: I789611f90b8a86c88e34e95024109a7599463406
Reviewed-on: https://skia-review.googlesource.com/c/172421
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
4 files changed