Merge pull request #1 from markfili/markfili-patch-camera-use-auto-focus

[camera] set useAutoFocus to true by default

Author: markfili

packages/camera/camera/android/src/main/java/io/flutter/plugins/camera/Camera.java

@@ -96,7 +96,7 @@ public class Camera {
   private PictureCaptureRequest pictureCaptureRequest;
   private CameraRegions cameraRegions;
   private int exposureOffset;
-  private boolean useAutoFocus;
+  private boolean useAutoFocus = true;
   private Range<Integer> fpsRange;
 
   public Camera(