Fixes the always zero values appearing in the SessionSeries chart.
Fixes the always zero values appearing in the SessionSeries chart.

Adding the timefield to fix this issue so that the data will be correctly displayed in the generated chart.

Change-Id: I39b1b5f0d2a23448af72ca49c6532ec298894983
Closes-Bug: #1730564

biswajit-mandal/contrail-web-core,biswajit-mandal/contrail-web-core,biswajit-mandal/contrail-web-core