[jdk15u-dev] RFR: 8293701: jdeps InverseDepsAnalyzer runs into NoSuchElementException: No value present

[Yuri Nesterenko]

clean backport of the fix to jdeps. All relevant tests do pass.

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Commit messages:
 - Backport 953ce8da2c7ddd60b09a18c7875616a2477e5ba5

Changes: https://git.openjdk.org/jdk15u-dev/pull/298/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk15u-dev&pr=298&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8293701
  Stats: 268 lines in 8 files changed: 264 ins; 0 del; 4 mod
  Patch: https://git.openjdk.org/jdk15u-dev/pull/298.diff
  Fetch: git fetch https://git.openjdk.org/jdk15u-dev pull/298/head:pull/298

PR: https://git.openjdk.org/jdk15u-dev/pull/298