am 306c8e43: am 1c73c286: am ab9d89fb: Pre-alpha cut of the new dex preoptimization script.

Merge commit '306c8e43df16cddb34fac20a5deb0bc408f08fd8' into dalvik-dev

* commit '306c8e43df16cddb34fac20a5deb0bc408f08fd8':
  Pre-alpha cut of the new dex preoptimization script.