Update the stable version of rustfmt

Bug: 171280890
Test: Manually run rustfmt on system/**.rs
Change-Id: Ibea86fc3d0252554c92e38e8293fde53b2418723
2 files changed
tree: 7bacd4ae4145b4ba84fbb44b603ee2997e963e6c
  1. bootstrap/
  2. darwin-x86/
  3. linux-x86/
  4. Android.bp
  5. OWNERS