Merge pull request #14901 from ihji/cherry-pick-expansion-fix

[release-2.30.0][BEAM-12416] Populate use_sdf_read in ExpansionService.
diff --git a/sdks/java/expansion-service/src/main/java/org/apache/beam/sdk/expansion/service/ExpansionService.java b/sdks/java/expansion-service/src/main/java/org/apache/beam/sdk/expansion/service/ExpansionService.java
index 72e7384..d4f0e6a 100644
--- a/sdks/java/expansion-service/src/main/java/org/apache/beam/sdk/expansion/service/ExpansionService.java
+++ b/sdks/java/expansion-service/src/main/java/org/apache/beam/sdk/expansion/service/ExpansionService.java
@@ -394,6 +394,9 @@
     Pipeline pipeline = Pipeline.create();
     ExperimentalOptions.addExperiment(
         pipeline.getOptions().as(ExperimentalOptions.class), "beam_fn_api");
+    // TODO(BEAM-10670): Remove this when we address performance issue.
+    ExperimentalOptions.addExperiment(
+        pipeline.getOptions().as(ExperimentalOptions.class), "use_sdf_read");
 
     ClassLoader classLoader = Environments.class.getClassLoader();
     if (classLoader == null) {