Merge "Camera: Avoid possible NPE after extension session configuration"

            boolean status = true;

            synchronized (mInterfaceLock) {

                try {

                    if (mSessionProcessor != null) {

                        mSessionProcessor.onCaptureSessionStart(mRequestProcessor);

                        mInitialized = true;

                    } else {

                        Log.v(TAG, "Failed to start capture session, session released before " +

                                "extension start!");

                        status = false;

                        mCaptureSession.close();

                    }

                } catch (RemoteException e) {

                    Log.e(TAG, "Failed to start capture session,"

                            + " extension service does not respond!");