use lld-link any time we have it

Might open up some neat options like LTO builds.
If nothing it's nice to use each whole toolchain consistently.

Move around some bonus quotes a bit.

LLD doesn't understand /DEBUG:FASTLINK.

Change-Id: I27e3c97acea6980c5bd006394aebb1e103007edd
Reviewed-on: https://skia-review.googlesource.com/c/175981
Reviewed-by: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
2 files changed