[DLCov] Origin-Tracking: Add debugify support (#143594) This patch is part of a series that adds origin-tracking to the debugify source location coverage checks, allowing us to report symbolized stack traces of the point where missing source locations appear. This patch completes the feature, having debugify handle origin stack traces by symbolizing them when an associated bug is found and printing them into the JSON report file as part of the bug entry. This patch also updates the script that parses the JSON report and creates a human-readable HTML report, adding an "Origin" entry to the table that contains an expandable textbox containing the symbolized stack trace.
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