Changed run_benchmarks to:
 1) Not ask for toolchain_root, as it is not needed.
 2) Not use expect. Use the utilities in command_executer instead.
 3) Added copy and execute utilities in command_executer.

PRESUBMIT=passed
R=raymes,bjanakiraman
DELTA=203  (162 added, 27 deleted, 14 changed)
OCL=46243-p2
RCL=46250-p2
RDATE=2011/01/04 16:09:25


P4 change: 42608295
4 files changed
tree: 54af00160d899546ee89840679db93e5eb30cb98
  1. .git5_specs/
  2. v14/