Merge "Revert "Ignore libcore.java.lang.OldSystemTest#test_gc failures with CC."" am: f9eed16 am: 1151e83
am: 03d9dff

* commit '03d9dffaa3ca8fbaf17d31455335cbd50720f8e6':
  Revert "Ignore libcore.java.lang.OldSystemTest#test_gc failures with CC."

Change-Id: I17ec4ea45ed102d7e7434244bad2451d3e14960a