Added ServiceResourceTransformer as per grpc/grpc-java#3141

Hughey · Hughey · commit eb8a8cff4e90 · 2020-01-31T12:48:11.000+09:00
diff --git a/pom.xml b/pom.xml
@@ -362,6 +362,9 @@
               <artifactId>maven-shade-plugin</artifactId>
               <version>3.1.0</version>
               <configuration>
+                <transformers>
+                  <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
+                </transformers>
                 <artifactSet>
                   <includes>
                     <include>com.google.guava:*</include>
