In GrProcessor::TextureSampler drop the "get", it's cleaner

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4962

Change-Id: I55e7f8d1b6e1097fdbe411e9989dd42a03dd5f33
Reviewed-on: https://skia-review.googlesource.com/4962
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
22 files changed