Show max(5, rows_of_perf_with_over_1%_running_time) in email.

PRESUBMIT=passed
R=llozano,shenhan
APPROVED=shenhan
DELTA=33 (30 added, 0 deleted, 3 changed)
OCL=43445498
TESTS=It shows the correct rows of perf data.


P4 change: 43497769
3 files changed
tree: fd5cf0ae032785841cfdb1051d946f0370e375cf
  1. .git5_specs/
  2. v14/