Fix compile scripts which use ninja

Follow-up to https://skia-review.googlesource.com/c/skia/+/607062

Updating the docker containers brings in a new version of Clang
which has a diagnostic flag we want to ignore.
https://reviews.llvm.org/D134831

Change-Id: Ibb1d95597ef9fa4e951854c8cfe5d622c6752f44
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/608018
Commit-Queue: Kevin Lubick <kjlubick@google.com>
Reviewed-by: Eric Boren <borenet@google.com>
21 files changed