[jdk8u-dev] RFR: 8241086: Test runtime/NMT/HugeArenaTracking.java is failing on 32bit Windows

[zzambers]

Test `hotspot/test/runtime/NMT/HugeArenaTracking.java` (from hotspot/tier1) currently fails on Windows x86. This backport fixes this test to only run on 64-bit archs.

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Commit messages:
 - Backport 0cf828153cf8ee337645645b0632e77b8733a734

Changes: https://git.openjdk.org/jdk8u-dev/pull/182/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=182&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8241086
  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/182.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev pull/182/head:pull/182

PR: https://git.openjdk.org/jdk8u-dev/pull/182