Camera: Disallow dumping clients directly

Camera service dumps should only be initiated through
ICameraService::dump.

Bug: 26265403
Change-Id: If3ca4718ed74bf33ad8a416192689203029e2803
diff --git a/services/camera/libcameraservice/common/Camera2ClientBase.h b/services/camera/libcameraservice/common/Camera2ClientBase.h
index f1cacdf..d66e11c 100644
--- a/services/camera/libcameraservice/common/Camera2ClientBase.h
+++ b/services/camera/libcameraservice/common/Camera2ClientBase.h
@@ -57,7 +57,7 @@
     virtual ~Camera2ClientBase();
 
     virtual status_t      initialize(CameraModule *module);
-    virtual status_t      dump(int fd, const Vector<String16>& args);
+    virtual status_t      dumpClient(int fd, const Vector<String16>& args);
 
     /**
      * CameraDeviceBase::NotificationListener implementation