Merge 59349a7e2bcd4f039dfab604ea6bd2cc3da56642 on remote branch

Change-Id: I1716b62b8530ce1726898c722855d1cc07e8cb34
tree: 1a8fa2d68feac248470388459167ef2e15b32103
  1. nn/
  2. .clang-format
  3. CleanSpec.mk
  4. CPPLINT.cfg
  5. OWNERS
  6. PREUPLOAD.cfg