Update calls now we have an L API version.

Bug: 17543647
Change-Id: I92c652a4ced5a5e783b24e42f9da4d9dfe1118ba
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 90b33c5..591d9b6 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -20,7 +20,7 @@
 <manifest
     xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.android.launcher3">
-    <uses-sdk android:targetSdkVersion="19" android:minSdkVersion="16"/>
+    <uses-sdk android:targetSdkVersion="21" android:minSdkVersion="16"/>
 
     <permission
         android:name="com.android.launcher.permission.INSTALL_SHORTCUT"