[AOT] added AotCompatibility test app exit code assertion

[Yun-Ting]

Fixes #
Design discussion issue #

Changes

Please provide a brief description of the changes here.

Merge requirement checklist

• CONTRIBUTING guidelines followed (nullable enabled, static analysis, etc.)
• Unit tests added/updated
• Appropriate CHANGELOG.md files updated for non-trivial changes
• Changes in public API reviewed (if applicable)

[codecov]

Codecov Report

Merging #4743 (6d3d052) into main (9e91904) will increase coverage by 0.02%.
The diff coverage is n/a.

❗ Current head 6d3d052 differs from pull request most recent head f8ef6b8. Consider uploading reports for the commit f8ef6b8 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4743      +/-   ##
==========================================
+ Coverage   82.03%   82.05%   +0.02%     
==========================================
  Files         313      313              
  Lines       12741    12741              
==========================================
+ Hits        10452    10455       +3     
+ Misses       2289     2286       -3     

see 3 files with indirect coverage changes