RFR: 8319516: AIX System::loadLibrary needs support to load a shared library from an archive object [v29]

[Suchismith Roy]

> Allow support for both .a and .so files in AIX.
> If .so file is not found, allow fallback to .a extension.
> JBS Issue: [JDK-8319516](https://bugs.openjdk.org/browse/JDK-8319516)

Suchismith Roy has updated the pull request incrementally with one additional commit since the last revision:

  Update LoadAIXLibraryFromArchiveObject.java
  
  Nits,coding style and variable name

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Changes:
  - all: https://git.openjdk.org/jdk/pull/17945/files
  - new: https://git.openjdk.org/jdk/pull/17945/files/2b729673..53343781

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=17945&range=28
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=17945&range=27-28

  Stats: 7 lines in 1 file changed: 0 ins; 0 del; 7 mod
  Patch: https://git.openjdk.org/jdk/pull/17945.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17945/head:pull/17945

PR: https://git.openjdk.org/jdk/pull/17945