RFR: 8340793: Fix client build on AArch64 and arm after JDK-8337987

[Andrew Dinn]

Trivial fix to include missing headers into sharedRuntime_aarch64/arm.cpp.

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Commit messages:
 - 8340793: Fix client build on AArch64 and arm after JDK-8337987

Changes: https://git.openjdk.org/jdk/pull/21153/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21153&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8340793
  Stats: 2 lines in 2 files changed: 2 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/21153.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21153/head:pull/21153

PR: https://git.openjdk.org/jdk/pull/21153