Fix fugu art-buildbot

Disable failing tests which are not picked up by
libcore_fugu_failures.txt.

Bug: 208639267
Test: art/tools/run-libcore-tests.sh --mode=device --variant=X32 \
      --no-getrandom
Change-Id: I295dd91cd44b37234dda9647a1b25f3d2b41d0a3
1 file changed