RFR: 8268214: Use system zlib and disable dtrace when building linux-aarch64 at Oracle

[Mikael Vidstedt]

Mimic what's being done on linux-x64 for consistency.

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Commit messages:
 - 8268214: Use system zlib and disable dtrace when building linux-aarch64 at Oracle

Changes: https://git.openjdk.java.net/jdk/pull/4347/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4347&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8268214
  Stats: 2 lines in 1 file changed: 2 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4347.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4347/head:pull/4347

PR: https://git.openjdk.java.net/jdk/pull/4347