Adding a utc timestamp requirement for 3rd party test logs

Assessing what time a 3rd party test ran in order to determine
the current status of a system is difficult when the timezone
of the test run is unknown. Standardizing the time stamp of the
test run by using utc will help assess 3rd party system status.

Change-Id: Idf44196eefe869dfd20551bbf293fff5b8f6dab5
Merge "Adding a utc timestamp requirement for 3rd party test logs"