Merge "Include what you use: <cutils/bitops.h> for popcount" am: 9f3a699ded

Original change: https://android-review.googlesource.com/c/platform/frameworks/wilhelm/+/1353587

Change-Id: I3676b38e187f8db2621a57bbdc66fa8a940b6d7e
tree: f6bfd1b6ed525a7e542a4f6f1bf79285e868943e
  1. doc/
  2. include/
  3. src/
  4. tests/
  5. tools/
  6. Android.bp
  7. OWNERS