Fix the index out of range bug when iterations of benchmarks are different.
Test: The failed crosperf run is fixed

PRESUBMIT=passed
R=asharif,shenhan
APPROVED=shenhan
DELTA=2  (2 added, 0 deleted, 0 changed)
OCL=63104-p2
RCL=63106-p2
RDATE=2012/10/01 09:46:59


P4 change: 42795025
1 file changed
tree: c490734a5439232106049f6b5262d12124bd9f9e
  1. .git5_specs/
  2. v14/