Add setter for flag enabled/disabled auto check permissions (#775)

* Added setter for auto check permissions flag

* Added info about new method

cameraview/src/main/java/com/otaliastudios/cameraview/CameraView.java

@@ -726,6 +726,14 @@ public class CameraView extends FrameLayout implements LifecycleObserver {
 
     //region Lifecycle APIs
 
+    /**
+     * Sets permissions flag if you want enable auto check permissions or disable it.
+     * @param requestPermissions - true: auto check permissions enabled, false: auto check permissions disabled.
+     */
+    public void setRequestPermissions(boolean requestPermissions) {
+        mRequestPermissions = requestPermissions;
+    }
+
     /**
      * Returns whether the camera engine has started.
      * @return whether the camera has started

docs/_docs/runtime-permissions.md

@@ -46,4 +46,4 @@ The automatic request is currently done at the activity level, so the permission
 `onRequestPermissionResults()` will be invoked on the parent activity, not the fragment.
 
 The automatic request can be disabled by setting `app:cameraRequestPermissions="false"` in your
-XML declaration.
+XML declaration or by using this method `setRequestPermissions(boolean requestPermissions)` in your code.