Frameworks: Minimum Vibration Duration

Adjust small vibration intensities

PS5: Adjust logic
    Still adjusts all "small" vibrations
    to unify them.  Now also checks if
    setting is larger than vibration
    to return a true minimal vibration.

Change-Id: Iabe5f1ba5272c98832624202214e140c54a1bab9
Merge "Frameworks: Minimum Vibration Duration" into jb-mr2