Merge "Make orientation changes happen sooner."

        private static final float ORIENTATION_ANGLE_CONFIDENCE_SCALE =

                confidenceScaleFromDelta(30);

        // Transition takes 2x longer when tilt is 45 degrees from vertical.

        private static final float TILT_ANGLE_CONFIDENCE_SCALE = confidenceScaleFromDelta(45);

        // Transition takes 2x longer when tilt is 60 degrees from vertical.

        private static final float TILT_ANGLE_CONFIDENCE_SCALE = confidenceScaleFromDelta(60);

        // Transition takes 2x longer when acceleration is 0.25 Gs.

        // Transition takes 2x longer when acceleration is 0.5 Gs.

        private static final float MAGNITUDE_CONFIDENCE_SCALE = confidenceScaleFromDelta(

                SensorManager.STANDARD_GRAVITY * 0.25f);

                SensorManager.STANDARD_GRAVITY * 0.5f);

        // The number of milliseconds for which a new orientation must be stable before

        // we perform an orientation change under ideal conditions.  It will take

        // proportionally longer than this to effect an orientation change when

        // the proposed orientation confidence is low.

        private static final float ORIENTATION_SETTLE_TIME_MS = 250;

        private static final float ORIENTATION_SETTLE_TIME_MS = 100;

        // The confidence that we have abount effecting each orientation change.

        // When one of these values exceeds 1.0, we have determined our new orientation!