t0lte: fix up sensors

-dibable all sensors when screen is off.

Change-Id: Ic788782ee6bd67a00eb69ee087361d9d95af21b8
t0lte: fix compass

Change-Id: If0bd6703f383b4b2357fdd51bfdf007dc00fe3c7
t0lte: partial revert of audio boost

- revert headset audio level
- drop speaker boost down a notch

Change-Id: Ic187a632e1519c88bb0bf2d4b536766a5ee9ab71
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