Upgraded the version of Google API common (#105)

Author: hiranya911

pom.xml

@@ -396,7 +396,7 @@
         <dependency>
             <groupId>com.google.api</groupId>
             <artifactId>api-common</artifactId>
-            <version>1.1.0</version>
+            <version>1.2.0</version>
         </dependency>
         <dependency>
             <groupId>com.google.auth</groupId>