Eliminate single-process mode.

        CameraHardwareStub* mHardware;

    public:

        PreviewThread(CameraHardwareStub* hw) :

#ifdef SINGLE_PROCESS

            // In single process mode this thread needs to be a java thread,

            // since we won't be calling through the binder.

            Thread(true),

#else

            Thread(false),

#endif

              mHardware(hw) { }

                Thread(false), mHardware(hw) { }

        virtual void onFirstRef() {

            run("CameraPreviewThread", PRIORITY_URGENT_DISPLAY);

        }