Clean up compilation settings

This updates some transitional naming in our build files:

skia_enable_skgpu_v1   -> skia_enable_ganesh
skgpu_v1_gm_sources    -> ganesh_gm_sources
skgpu_v1_tests_sources -> ganesh_tests_sources
skgpu_v1_bench_sources -> ganesh_bench_sources

Change-Id: I1ea3d5d3f60685ed08702649126be8deff583b3e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/627023
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
5 files changed