Move in yoga sample android app

Summary: The sample app is simply moved into the repo.  A few libraries are included and the buck targets rearranged.

Reviewed By: emilsjolander

Differential Revision: D4528129

fbshipit-source-id: 3e9e779857cd9219711a939876c9275d75e09929

android/sample/java/com/facebook/samples/yoga/MainActivity.java

@@ -0,0 +1,31 @@
+/**
+ * Copyright 2014-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the license found in the
+ * LICENSE-examples file in the root directory of this source tree.
+ */
+
+package com.facebook.samples.yoga;
+
+import android.os.Bundle;
+import android.support.v7.app.ActionBarActivity;
+import android.view.LayoutInflater;
+
+import com.facebook.samples.yoga.R;
+
+/**
+ * An activity to show off Yoga in Android.  This activity shows a simple layout (defined in
+ * {@code main_layout.xml}) that shows off the awesome functionality of the Yoga layout engine
+ * as well as some optimisations on layout systems that it facilitates.
+ */
+public class MainActivity extends ActionBarActivity {
+
+  @Override
+  public void onCreate(Bundle savedInstanceState) {
+    LayoutInflater.from(this).setFactory(YogaViewLayoutFactory.getInstance());
+    super.onCreate(savedInstanceState);
+
+    setContentView(R.layout.main_layout);
+  }
+}