Upgrade errorprone to 2.0.11

Change-Id: I3e90fc964daeae65a090dcc30d788c2d71c723c9

pom.xml

diff --git a/pom.xml b/pom.xml
index 7b8c0f2..a972cab 100644
--- a/pom.xml
+++ b/pom.xml
@@ -395,7 +395,7 @@
           <dependency>
             <groupId>com.google.errorprone</groupId>
             <artifactId>error_prone_core</artifactId>
-            <version>2.0.5</version>
+            <version>2.0.11</version>
           </dependency>
         </dependencies>
       </plugin>