Merge changes from topic \'boringssl_conversion\' am: 52eb93c am: 0781351
am: 9c4a0e0

* commit '9c4a0e021607f9da6130658530110e84eefc8ed9':
  Switch fs_mgr and adb to libcrypto_utils.
  Add libcrypto_utils.

Change-Id: Ifc84a632bfc58b6d7034d3feb3cc435ef706c54f