am 44e44644: Fix our expectations to match the acutal exception System.setSecurityManager throws.

Merge commit '44e44644c7fc3b2ad8d3a04a32501b94214f8ab2' into dalvik-dev

* commit '44e44644c7fc3b2ad8d3a04a32501b94214f8ab2':
  Fix our expectations to match the acutal exception System.setSecurityManager throws.