Increase read_ahead_kb to 512

Change-Id: I6daaf4857c0ec78845a26c04bfbcb2ce591864fa
Remove --no_sleep parameter for mpdecision

Change-Id: Id90daae2e3121c1dcbedf1ecdb09d8053422ac64
Disable interactive governors sync_freq feature

Change-Id: I3c8572da7c55fb18511201a875d6fa03fe42818b