public EvictionController getPREvictionControllerFromDiskInitialization() {
    EvictionController result = null;
    if (getDiskStore() != null) {
      result = getDiskStore().getExistingPREvictionContoller(this);
    }
    return result;
  }
Returns the EvictionController for this PR. This is needed to find the single instance of
EvictionController created early for a PR when it is recovered from disk. This fixes bug 41938
geode-core/src/main/java/org/apache/geode/internal/cache/PartitionedRegion.java