compiler_wrapper: refactor goma => "remote compile"

This is intended to be no functional change. In most places, we use
"goma" as a way of saying "remote compilation;" this CL clarifies which
is which.

BUG=b:190741226
TEST=go test

Change-Id: Ia03c1a05486c907cd6f7bc33b59a56c98db5d527
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/toolchain-utils/+/2956695
Reviewed-by: Ryan Beltran <ryanbeltran@chromium.org>
Tested-by: George Burgess <gbiv@chromium.org>
3 files changed