Expose non-square matrix types when fEnforceES2Restrictions is off.

This will allow us to write tests that verify the behavior of non-square
matrix ops.

Change-Id: I1490c4675778cbdc8428ac7a6c9de16083179fc8
Bug: skia:11985
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/408645
Commit-Queue: John Stiles <johnstiles@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
3 files changed