Merge "Cleanup performDexOpt with instruction sets." into nyc-dev
am: 89f4bff149

* commit '89f4bff149c62baf8371118aed2c4e6ac29976c5':
  Cleanup performDexOpt with instruction sets.

Change-Id: Id973c65cbe87f54a743bfcb89fbe7e4aea45d1c8