Adding render stats APIs to UiAutomation (framework).

bug:12927198

Change-Id: Iae21481c75ae58dcdab3731bf5f1e2844e29d434
diff --git a/packages/Shell/AndroidManifest.xml b/packages/Shell/AndroidManifest.xml
index 19286c8..e1c17cb 100644
--- a/packages/Shell/AndroidManifest.xml
+++ b/packages/Shell/AndroidManifest.xml
@@ -87,6 +87,8 @@
     <uses-permission android:name="android.permission.MANAGE_USERS" />
     <uses-permission android:name="android.permission.BLUETOOTH_STACK" />
     <uses-permission android:name="android.permission.GET_ACCOUNTS" />
+    <uses-permission android:name="android.permission.RETRIEVE_WINDOW_TOKEN" />
+    <uses-permission android:name="android.permission.RENDER_STATS" />
 
     <application android:label="@string/app_label">
         <provider