[changed] Racetrack timing to X.XXX definable
[changed] Agrilat conversation Handler to inherit RaceTrackConvoHandler

Change-Id: I6d886f89851017437292dfc52bfe432747b94558
Merge "[changed] Racetrack timing to X.XXX definable [changed] Agrilat conversation Handler to inherit RaceTrackConvoHandler" into unstable