rename makeCopyForTextureParams to isACopyNeededForTextureParams

I thought the old name was misleading

split out of: https://skia-review.googlesource.com/c/8823/ (Remove GrFragmentProcessor-derived class' GrTexture-based ctors)

Change-Id: I8c5fc6de487b50c9ec37843ff7501b52140dde00
Reviewed-on: https://skia-review.googlesource.com/9961
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
6 files changed