Merge mainline-release 6664920 to master - DO NOT MERGE am: 4d714b3c51

Original change: https://android-review.googlesource.com/c/platform/frameworks/ml/+/1430833

Change-Id: I267edd062e31ea108b7cd8b259ab3784b44ad729
tree: 82eb9e1ffe6e3b0c478f40838544d2937f1dbe40
  1. nn/
  2. .clang-format
  3. CleanSpec.mk
  4. CPPLINT.cfg
  5. OWNERS
  6. PREUPLOAD.cfg