Revert^2 "OpenJDK 11: Merging in java.lang.ref.Cleaner"

This reverts commit 205dd063db9f097ffd67e32322357dde743f1981.

Reason for revert: fix lint-baseline.xml

Bug: 198792576
Test: treehugger
Change-Id: I006f397f4ac983069ec9375d4b43e3d5ce11a6a9
16 files changed