This is part of merging upstream changes from OpenJDK 11.28. New classes have been added to core-oj, so there is a new path added to package_allowed_list.txt: * jdk.internal.ref Bug: 198792576 Test: atest CtsLibcoreOjTestCases Change-Id: I19a40447bbb060612e0c2f3ef0770568345a7405