sensorhub: update to 4.4.2 drop (ML4)

Change-Id: I6f620bcefe93426e706cd542aa019a8acbfc9609
Merge remote-tracking branch 'cm-upstream/cm-11.0' into my-cm-11.0
Merge remote-tracking branch 'origin/my-cm-11.0' into my-cm-11.0
Modified cpufreq and governors!