rustc-1.37.0 Darwin Build 6059727

* add rustfmt and cargo-clippy

Bug: 145819625
Test: mm rust modules
Change-Id: I9567c4a39b6bc5304f894521dc505b669ad15e4e
32 files changed
tree: 14f8aefc7adfd15c68a6b4fdbca029ddb0fc0162
  1. bootstrap/
  2. darwin-x86/
  3. linux-x86/