Add test history in test result to trace execution time.
am: 11339d8d6d

Change-Id: I4ac97be24d4ad84771393fdf09ff6349d61a23d6
tree: ad66d29f5627c37a580d86db1438a8938c07d726
  1. common/
  2. tools/
  3. Android.mk
  4. test_defs.sh