am 7ffdc696: am 7925d364: am 58f1d208: am 5761584c: am a3c562af: Merge "Move SHA1PRNG_SecureRandomImpl tests to libcore" into jb-dev

* commit '7ffdc696e00e9336c7bc47db48d481707c933aec':
  Move SHA1PRNG_SecureRandomImpl tests to libcore