[clang-tools-extra] Set up .arcconfig to point to new Diffusion CTE repository
[clang-tools-extra] Set up .arcconfig to point to new Diffusion CTE repository

Summary:
I'm testing out a new Diffusion repository `CTE`:

https://reviews.llvm.org/source/clang-tools-extra/

This explicitly updates clang-tools-extra's `.arcconfig` to point to
the new `CTE` repository in Diffusion, which will let us set up Herald
rules, etc.

Reviewers: klimek, sammccall

Reviewed By: sammccall

Subscribers: bkramer, dlj

Differential Revision: https://reviews.llvm.org/D40179

git-svn-id: a34e9779ed74578ad5922b3306b3d80a0c825546@319039 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/clang-tools-extra,llvm-mirror/clang-tools-extra,llvm-mirror/clang-tools-extra,llvm-mirror/clang-tools-extra