Added 'new' badge to navigation drawer.

Added 'new' badge to navigation drawer for
assistant. The badge will show until the
welcome assistant card is dismissed.

Test: Manual, verified badge is displayed until user dismisses the
welcome card.

Bug: 32542932
Change-Id: I5145ebaefc88444773a1d25ff2bfb11e6e6b0678
diff --git a/res/layout/assistant_new_badge.xml b/res/layout/assistant_new_badge.xml
new file mode 100644
index 0000000..6ca8cc5
--- /dev/null
+++ b/res/layout/assistant_new_badge.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/assistant_new_badge"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:layout_gravity="center_vertical"
+    android:paddingLeft="@dimen/nav_new_badge_horizontal_pad"
+    android:paddingTop="@dimen/nav_new_badge_vertical_pad"
+    android:paddingRight="@dimen/nav_new_badge_horizontal_pad"
+    android:paddingBottom="@dimen/nav_new_badge_vertical_pad"
+    android:background="@drawable/new_badge_background"
+    android:textSize="@dimen/nav_new_badge_font_size"
+    android:textAllCaps="true"
+    android:textColor="#FFFFFF"
+    android:text="@string/menu_assistant_new_badge"/>
\ No newline at end of file