[unit tests] Setup instrument target for the launcher3 unit test
b/19566571

Change-Id: I47da40aa13a3e7c5ec8531e7ef6a9e52f764c565
diff --git a/tests/AndroidManifest.xml b/tests/AndroidManifest.xml
new file mode 100644
index 0000000..42ae5a3
--- /dev/null
+++ b/tests/AndroidManifest.xml
@@ -0,0 +1,29 @@
+<?xml version="2.0" encoding="utf-8"?>
+<!-- Copyright (C) 2015 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.
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.android.launcher3.tests">
+
+    <application>
+        <uses-library android:name="android.test.runner" />
+    </application>
+
+    <instrumentation
+        android:name="android.test.InstrumentationTestRunner"
+        android:targetPackage="com.android.launcher3"
+        android:label="Unit tests for Launcher3">
+    </instrumentation>
+</manifest>