am 66938620: Add missing license headers to java files in BtAds sample

* commit '6693862080a86b853c6b28db1d2372c6639a6b90':
  Add missing license headers to java files in BtAds sample
diff --git a/notification/CustomNotifications/template-params.xml b/notification/CustomNotifications/template-params.xml
index b18b927..0c6d951 100644
--- a/notification/CustomNotifications/template-params.xml
+++ b/notification/CustomNotifications/template-params.xml
@@ -20,7 +20,7 @@
     <package>com.example.android.customnotifications</package>
 
     <!-- change minSdk if needed-->
-    <minSdk>4</minSdk>
+    <minSdk>16</minSdk>
 
     <strings>
         <intro>