Merge files from jdk11u/jdk-11+28 into the expected_upstream branch

List of files:
  ojluni/src/main/java/java/lang/Integer.java
  ojluni/src/main/java/java/lang/Long.java
  ojluni/src/main/java/java/lang/String.java

Generated by tools/expected_upstream/ojluni_refresh_files.py
Test: N/A
Change-Id: I9bc642bc3dfabcc8f288e55f0861b0377b9c0543
tree: 4155d462a6199143e1f215049577b759fd29fc41
  1. ojluni/
  2. tools/
  3. EXPECTED_UPSTREAM