[autotest] Sync completed jobs back to master

Records of jobs that are completed should be send back to the master
upon a heartbeat.

This changes the heartbeat to include these things.

BUG=None
CQ-DEPEND=CL:212725
DEPLOY=apache,afe
TEST=Ran suites, tried out manually

Change-Id: I25daed310dc1bad064bd0c4819a43d18ba04606d
Reviewed-on: https://chromium-review.googlesource.com/218730
Tested-by: Jakob Jülich <jakobjuelich@chromium.org>
Reviewed-by: Fang Deng <fdeng@chromium.org>
Commit-Queue: Jakob Jülich <jakobjuelich@chromium.org>
4 files changed