Make the Ganesh/Graphite DM precompilation options more distinct

This is just a bunch of renaming to separate the Ganesh and Graphite
precompilation DM Sinks. It does change the name of the Graphite
testing configs (e.g., "grmtltestprecompile") but they aren't being
used on the bots yet.

Change-Id: Ie88a5974f8ca781fa47b5ebb955029cfe187e10e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/945976
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Jim Van Verth <jvanverth@google.com>
5 files changed