Sample for launching activity to the side.

Also includes changing the name of the sample from caption overlay to
general multi window sample directory.

Bug: 26141281
Change-Id: I8dca42c4af14b13cf874f0ac1ee6c5fad23aeceb

samples/MultiWindow/src/com/example/android/multiwindow/MoveTaskToSideActivity.java

@@ -0,0 +1,22 @@
+package com.example.android.multiwindow;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+
+public class MoveTaskToSideActivity extends Activity implements View.OnClickListener {
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.move_task_to_side_layout);
+        findViewById(R.id.button).setOnClickListener(this);
+    }
+
+    @Override
+    public void onClick(View v) {
+        Intent intent = new Intent(this, LaunchingToSideActivity.class);
+        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_LAUNCH_TO_SIDE);
+        startActivity(intent);
+    }
+}