Related-Bug:#1391447
Currently on click of link between the prouter and prouter in underlay overlay topology we are displaying two charts with transmit and receive in both the directions
Now we merged both charts and displaying only transmit

Change-Id: Ia15cd46de810adce6732169dbf3d8eb03217ba7d
Merge "Related-Bug:#1391447 Currently on click of link between the prouter and prouter in underlay overlay topology we are displaying two charts with transmit and receive in both the directions Now we merged both charts and displaying only transmit"