Enables persistent state validates runner tests for Dataflow runners. (#36889)

* Update build.gradle

Enables some persistent state type validates runner tests.

* Update beam_PostCommit_Java_ValidatesRunner_Dataflow_V2_Streaming.json

* Update beam_PostCommit_Java_ValidatesRunner_Dataflow_Streaming.json

* Update beam_PostCommit_Java_ValidatesRunner_Dataflow.json

* Update beam_PostCommit_Java_ValidatesRunner_Dataflow_V2.json

Author: acrites

.github/trigger_files/beam_PostCommit_Java_ValidatesRunner_Dataflow.json

@@ -1,4 +1,4 @@
 {
-  "comment": "Modify this file in a trivial way to cause this test suite to run",
+  "comment": "Modify this file in a trivial way to cause this test suite to run!",
   "modification": 3,
 }

.github/trigger_files/beam_PostCommit_Java_ValidatesRunner_Dataflow_Streaming.json

@@ -1,4 +1,4 @@
 {
-  "comment": "Modify this file in a trivial way to cause this test suite to run",
+  "comment": "Modify this file in a trivial way to cause this test suite to run!",
   "modification":  1,
 }

.github/trigger_files/beam_PostCommit_Java_ValidatesRunner_Dataflow_V2.json

@@ -1,4 +1,4 @@
 {
-  "comment": "Modify this file in a trivial way to cause this test suite to run",
+  "comment": "Modify this file in a trivial way to cause this test suite to run!",
   "modification": 2
 }

.github/trigger_files/beam_PostCommit_Java_ValidatesRunner_Dataflow_V2_Streaming.json

@@ -1,4 +1,4 @@
 {
-  "comment": "Modify this file in a trivial way to cause this test suite to run",
+  "comment": "Modify this file in a trivial way to cause this test suite to run!",
   "modification": 1,
 }

runners/google-cloud-dataflow-java/build.gradle

@@ -212,9 +212,6 @@ def commonLegacyExcludeCategories = [
 def commonRunnerV2ExcludeCategories = [
   'org.apache.beam.sdk.testing.UsesExternalService',
   'org.apache.beam.sdk.testing.UsesGaugeMetrics',
-  'org.apache.beam.sdk.testing.UsesSetState',
-  'org.apache.beam.sdk.testing.UsesMapState',
-  'org.apache.beam.sdk.testing.UsesMultimapState',
   'org.apache.beam.sdk.testing.UsesMetricsPusher',
   'org.apache.beam.sdk.testing.UsesTestStream',
   'org.apache.beam.sdk.testing.UsesTestStreamWithProcessingTime',
@@ -446,9 +443,6 @@ task validatesRunner {
   description "Validates Dataflow runner"
   dependsOn(createLegacyWorkerValidatesRunnerTest(
     name: 'validatesRunnerLegacyWorkerTest',
-    excludedCategories: [
-      'org.apache.beam.sdk.testing.UsesMultimapState',
-    ],
     excludedTests: [
       // TODO(https://github.com/apache/beam/issues/21472)
       'org.apache.beam.sdk.transforms.GroupByKeyTest$BasicTests.testAfterProcessingTimeContinuationTriggerUsingState',