RFR (XXS): 8204694: Add failed compiler/stable tests into ProblemList-graal.txt

[Ekaterina Pavlova]

Hi all,

please review this tiny change which adds recently failed tests
into test/hotspot/jtreg/ProblemList-graal.txt.

  JBS:     https://bugs.openjdk.java.net/browse/JDK-8204694
  webrev:  http://cr.openjdk.java.net/~epavlova//8204694/webrev.00/index.html

Thanks,
-katya

p.s.
  Igor Ignatyev volunteered to sponsor this change.