findmissing: Add timestamp to logging information

A complete robot run now takes more than three hours. Add timestamp
information to logging data to help tracking down the reason.

To fix a new upload error, use "from" keyword when re-raising an

TEST=Run robot and observe logging data

Change-Id: Idaa34c73ec1d642c0c5943269175ac7ffe80d612
Reviewed-by: Curtis Malainey <>
Commit-Queue: Curtis Malainey <>
Tested-by: Guenter Roeck <>
Auto-Submit: Guenter Roeck <>
1 file changed