Darwin: add md5sum and sha1sum/sha256sum/sha512sum.

Bug: http://b/139450866
Test: treehugger
Change-Id: Ia2c719ad83ca1358b41bbf1519ec33224b9c5d78
4 files changed
tree: a46beeb1793022bb178bab60efc8585c957bcd30
  1. common/
  2. darwin-x86/
  3. linux-x86/
  4. path/
  5. build-prebuilts.sh
  6. manifest.xml
  7. OWNERS