Bug 834148 - move from silent to vibrate instead of volume 1 when power ...

Bug 834148 - Volume UP key skips 'vibrate' when moving up (from 'silent' to 'volume 1')

1. Title : Volume UP key skips 'vibrate' when moving up (from 'silent' to 'volume 1').
2. Precondition : Press the volume DOWN key until it goes to 'silent'.
3. Tester's Action : Press the volume UP key.
4. Detailed Symptom (ENG.) : The volume is changed to 'volume 1', instead of 'vibrate'. 
5. Expected : The volume is expected to be 'silent' => 'vibrate' => 'volume 1', when volume up. (The exact opposite way of volume down)
6.Reproducibility: Y
1)Frequency Rate : 100%
7.Gaia Revision: a03f7b532e9998e646d55f93a0fc03a04d7ca7d9