Lightweight tester now prints timestamps.
Lightweight tester now prints timestamps.

This gives a little more visibility into how the tests behave on the bots.

BUG= none
TEST= none

Review URL: http://codereview.chromium.org/7119001

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@5569 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

nacl-webkit/native_client,nacl-webkit/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,nacl-webkit/native_client,nacl-webkit/native_client,nacl-webkit/native_client