RFR: 8301659: Resolve initialization reordering issues on Windows for libawt and libsaproc

[Julian Waters]

Small, trivial change to resolve initialization order reordering in constructors, required for [JDK-8301659](https://bugs.openjdk.org/browse/JDK-8301659)

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Commit messages:
 - Resolve reordering issues in libawt and libsaproc

Changes: https://git.openjdk.org/jdk/pull/12382/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=12382&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8301659
  Stats: 5 lines in 2 files changed: 2 ins; 1 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/12382.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/12382/head:pull/12382

PR: https://git.openjdk.org/jdk/pull/12382