Build with API version 2.11

Change-Id: I19bda859ddd00d3751f1ab52c0034b5e7b854b07
diff --git a/gradle.properties b/gradle.properties
index 84e72a9..fe1f399 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,2 +1,2 @@
 apiType=plugin
-apiVersion=2.11-SNAPSHOT
+apiVersion=2.11