Initialize ZXing for Google Glass

CameraConfigurationManager.java

...

public void googleGlassInit(Camera camera) {
  Camera.Parameters params = camera.getParameters();
  params.setPreviewFpsRange(30000, 30000);
  params.setPreviewSize(640,360);
  camera.setParameters(params);
}

...

void setDesiredCameraParameters(Camera camera, boolean safeMode) {
  ...
  parameters.setPreviewSize(cameraResolution.x, cameraResolution.y);
  camera.setParameters(parameters);
  googleGlassInit(camera); // added this line
  ...
}

...

void setTorch(Camera camera, boolean newSetting) {
  Camera.Parameters parameters = camera.getParameters();
  doSetTorch(parameters, newSetting, false);
  camera.setParameters(parameters);
  googleGlassInit(camera); // added this line
}