RFR: 8264224: Add macosx-aarch64 to Oracle build configurations [v2]

[Mikael Vidstedt]

> This adds the necessary macosx-aarch64 support to the build configurations at Oracle.

Mikael Vidstedt has updated the pull request incrementally with one additional commit since the last revision:

  Remove SETFILE override

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/3258/files
  - new: https://git.openjdk.java.net/jdk/pull/3258/files/dbfe5dd7..6673a4f9

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=3258&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=3258&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 1 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3258.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3258/head:pull/3258

PR: https://git.openjdk.java.net/jdk/pull/3258