am ed4035bc: am d2203aa0: am 1beb43af: merge from open-source master

Merge commit 'ed4035bca3233c7a40c4d5679c3f7dfea9516c7e' into dalvik-dev

* commit 'ed4035bca3233c7a40c4d5679c3f7dfea9516c7e':
  Improve the implementation of countOnes function to use only 12 operations.