Max vm flows read from config file is a float. Calculate the absolute flow number using the float value.

Change-Id: I368f461a21bba12087a7089dd066a7b4ee2ff41b
(cherry picked from commit e66399d4029d64bdfbd8e2bbfd4e477e89b882bc)
Merge "Max vm flows read from config file is a float. Calculate the absolute flow number using the float value." into R2.0