RFR: 8257895: Allow building of JavaFX media libs for Apple Silicon

[Alexander Matveev]

- Added support to compile media on arm.
- libffi is based on 3.3.

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Commit messages:
 - 8257895: Allow building of JavaFX media libs for Apple Silicon

Changes: https://git.openjdk.java.net/jfx/pull/412/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jfx&pr=412&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8257895
  Stats: 2856 lines in 17 files changed: 2821 ins; 5 del; 30 mod
  Patch: https://git.openjdk.java.net/jfx/pull/412.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx pull/412/head:pull/412

PR: https://git.openjdk.java.net/jfx/pull/412