Merge "Revert "Revert "Make run-test default to optimizing compiler.""" am: 435a668ad1
am: 543ea33f83

* commit '543ea33f83b83e1cb91e0a824a67f5f50fcab9d9':
  Revert "Revert "Make run-test default to optimizing compiler.""

Change-Id: I6039d30ee50b654c77fb831025fef4a2febff8d3