Update PostMethodProcessor.Builder to use a concurrent program set

Fixes: b/246920618
Change-Id: If74b17f2836027c7124590bfc9b2381b94b0abb2
diff --git a/src/main/java/com/android/tools/r8/ir/conversion/PostMethodProcessor.java b/src/main/java/com/android/tools/r8/ir/conversion/PostMethodProcessor.java
index 780f5d4..dd82c2d 100644
--- a/src/main/java/com/android/tools/r8/ir/conversion/PostMethodProcessor.java
+++ b/src/main/java/com/android/tools/r8/ir/conversion/PostMethodProcessor.java
@@ -67,7 +67,7 @@
 
     Builder(GraphLens graphLensForPrimaryOptimizationPass) {
       this.methodsToReprocessBuilder =
-          LongLivedProgramMethodSetBuilder.createForIdentitySet(
+          LongLivedProgramMethodSetBuilder.createConcurrentForIdentitySet(
               graphLensForPrimaryOptimizationPass);
     }