Ignore divide by zero in SkColorSpaceXformSteps::apply
Ignore divide by zero in SkColorSpaceXformSteps::apply

We're relying on IEEE behavior here (and checking the result), so this
is safe.

Bug: oss-fuzz:35004
Change-Id: I82cc38f7802455036b34d9afdb525662877f3809
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/417201
Reviewed-by: Mike Klein <14574f09dfa9b4e14759b88c3426a495a0e627b0@google.com>
Commit-Queue: Brian Osman <794c0b5534edf5601d88e1d41975d0262da12894@google.com>

google/skia,google/skia,google/skia,google/skia,aosp-mirror/platform_external_skia,google/skia,aosp-mirror/platform_external_skia,google/skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,google/skia,google/skia,google/skia,google/skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia