camera: Use openLegacy() for older HAL1 devices

import net.sourceforge.opencamera.MyDebug;

import java.io.IOException;

import java.lang.reflect.Method;

import java.util.ArrayList;

import java.util.Collections;

import java.util.HashSet;

        if( MyDebug.LOG )

            Log.d(TAG, "create new CameraController1: " + cameraId);

        this.camera_error_cb = camera_error_cb;

        try {

            camera = Camera.open(cameraId);

            Method openMethod = Class.forName("android.hardware.Camera")

                    .getMethod("openLegacy", int.class, int.class);

            camera = (Camera) openMethod.invoke(null,

                    cameraId, 0x100);

        } catch (Exception e) {

            /* Retry with open if openLegacy doesn't exist/fails */

            camera = null;

        }

        catch(RuntimeException e) {

        if (camera == null) {

            try {

                camera = Camera.open(cameraId);

            } catch (RuntimeException e) {

                if (MyDebug.LOG)

                    Log.e(TAG, "failed to open camera");

                e.printStackTrace();

                throw new CameraControllerException();

            }

        }

        if( camera == null ) {

            // Although the documentation says Camera.open() should throw a RuntimeException, it seems that it some cases it can return null

            // I've seen this in some crashes reported in Google Play; also see: