Changing minSDK for launcher3 to 21 (Lollipop)

Change-Id: I421a33801886bdcccb43429b571af1ca7c6b9f55
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index e7b703c..cbe3415 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="23" android:minSdkVersion="16"/>
+    <uses-sdk android:targetSdkVersion="23" android:minSdkVersion="21"/>
 
     <permission
         android:name="com.android.launcher.permission.INSTALL_SHORTCUT"