Adds fields to ProcessBundleRequest to prepare for future SDK skips for fetching/writing state.

Author: wolfchris-google

examples/java/build.gradle

@@ -83,10 +83,12 @@ dependencies {
     exclude group: "org.apache.zookeeper", module: "zookeeper"
   }
   implementation "org.apache.commons:commons-lang3:3.9"
+  implementation project(path: ":runners:google-cloud-dataflow-java")
   implementation "org.apache.httpcomponents:httpclient:4.5.13"
   implementation "org.apache.httpcomponents:httpcore:4.4.13"
   implementation "com.fasterxml.jackson.core:jackson-annotations:2.14.1"
   implementation "com.fasterxml.jackson.core:jackson-core:2.14.1"
+  implementation project(path: ":runners:google-cloud-dataflow-java")
   runtimeOnly library.java.hadoop_client
   runtimeOnly library.java.bigdataoss_gcs_connector
   testImplementation project(path: ":runners:direct-java", configuration: "shadow")