[jdk17] RFR: 8269840: Update Platform.isDefaultCDSArchiveSupported() to return true for Linux-aarch64

[Mikhailo Seledtsov]

Now that "JDK-8268212 Build linux-aarch64 natively" added support for default CDS archive, time to update test configuration for this platform. This is a very small one-line change.

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Commit messages:
 - 8269840: Update Platform.isDefaultCDSArchiveSupported() to return true for Linux-aarch64

Changes: https://git.openjdk.java.net/jdk17/pull/229/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17&pr=229&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8269840
  Stats: 1 line in 1 file changed: 0 ins; 1 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk17/pull/229.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17 pull/229/head:pull/229

PR: https://git.openjdk.java.net/jdk17/pull/229