Consider adding this comment, or something like it from the 1.3 patch. Not sure where it should go, but seems like valuable info:

+    // sensorAngle exposes the orientation of the camera image. The value is
+    // the angle that the camera image needs to be rotated clockwise so it shows
+    // correctly on the display in its natural orientation. See also:
+    // http://developer.android.com/reference/android/hardware/

+    // Camera.CameraInfo.html#orientation