Add java.math classes into EXPECTED_UPSTREAM

The libcore-compare-upstreams tool is used to guess the version of each
file by comparing the diff.

Bug: 111603149
Test: ojluni_refresh_files
Change-Id: Ia3f8ae4401c8b087c9ed6bbc2fc83d8afbd77cc6
1 file changed
tree: 17161aa46cdbd81f264e5d9925b51a349416a5c8
  1. ojluni/
  2. tools/
  3. EXPECTED_UPSTREAM