Add package-info.java in java.nio, java.nio.charset, java.lang.ref into EXPECTED_UPSTREAM

The files were manually created in
the commit 77bf4f8e8a72137d927c10778181408d075f4dd1
But the files can be imported from OpenJDK 11 now.

Bug: 111603149
Test: n/a
Change-Id: I26e502d73683978ce119266a582970cac83e26fa
1 file changed
tree: 9660a3c3c0a52c7d6ab8e41fd613533c195ec74d
  1. ojluni/
  2. tools/
  3. EXPECTED_UPSTREAM