Upgrade commons-lang3 to 3.6

Change-Id: Ic701bca690c1713997d36e9ce8f54d13d49ff6ff

WORKSPACE

diff --git a/WORKSPACE b/WORKSPACE
index 7123f5a..9361fbe 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -16,8 +16,8 @@
 
 maven_jar(
     name = "commons_lang3",
-    artifact = "org.apache.commons:commons-lang3:3.1",
-    sha1 = "905075e6c80f206bbe6cf1e809d2caa69f420c76",
+    artifact = "org.apache.commons:commons-lang3:3.6",
+    sha1 = "9d28a6b23650e8a7e9063c04588ace6cf7012c17",
 )
 
 maven_jar(