Turn back window animation scale

(needed by immersive mode swipe from top)

Change-Id: I3b2b41e74062940c2fb810a18d46eb511295a08c
conf change

- Disable audio level warning
- Disable Dream by default
- Use /dev/input for microphone/headset detection

Change-Id: I996debefbeb25a0cd713b3e5e2b13e46440ed331