apache: log out the request time

BUG=chromium:724566
TEST=None

Change-Id: I91f73b8c99376f6f705f8bb895d5f36fcc3ded60
Reviewed-on: https://chromium-review.googlesource.com/509949
Tested-by: Shuqian Zhao <shuqianz@chromium.org>
Reviewed-by: David Riley <davidriley@chromium.org>
Commit-Queue: Shuqian Zhao <shuqianz@chromium.org>
1 file changed