temporarily disable backend-specific min/max f32 impls

Change-Id: I1fe5da641f607cad190f13cbaf4d636d2f8b0598
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/282189
Commit-Queue: Mike Klein <mtklein@google.com>
Reviewed-by: Mike Reed <reed@google.com>
1 file changed