runInit() method in session

Signed-off-by: Ryan Nett <[email protected]>

Author: rnett

tensorflow-core/tensorflow-core-api/src/main/java/org/tensorflow/Session.java

@@ -490,6 +490,19 @@ public void run(Op op) {
     runner().addTarget(op.op()).run();
   }
 
+
+  /**
+   * Execute the graph's initializers.
+   *
+   * <p>This method is equivalent to {@code session.runner().addTarget(Ops.create(session.graph()).init()).run()}.
+   *
+   */
+  public void runInit(){
+    Runner runner = runner();
+    graph.initializers().forEach(runner::addTarget);
+    runner.run();
+  }
+
   /**
    * Saves the actual state of the variables of this session's graph.
    *