Merge files from jdk11u/jdk-11.0.13-ga into the expected_upstream branch

List of files:
  ojluni/src/main/java/java/lang/invoke/VarHandle.java
  ojluni/src/main/java/java/util/NavigableMap.java
  ojluni/src/main/java/java/util/NavigableSet.java

Generated by tools/expected_upstream/ojluni_refresh_files.py
Test: N/A
Change-Id: Ib9ead0ff618e8409e51d1153626d6f65ca2e7b09
tree: 31331dce23610aab2c63b4593b9ca053acd60ac7
  1. ojluni/
  2. tools/
  3. EXPECTED_UPSTREAM