Interpreter: Support component-wise ops for matrices

The linear algebra cases are more complex, coming in separate CL.

Change-Id: I5bbc25a126b61eee6f5b9775ab142e103c00f837
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/216612
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
4 files changed