v3.2.8

• Document 'damo report trace'.
• Fix 'damo report trace' for perf/trace-cmd generated records.
• Unify trace line parsing logic.

v3.2.7

• Handle version mismatcing perf.
• Support trace-cmd versions that omit flags field on 'report' output.
• Mark 'damo pa_layout' and 'damo record_info' as officially deprecated.
• Add a linter to tests.
• Code cleanup.