RFR: 8261455: Automatically generate the CDS archive if necessary

[Yumin Qi]

When shared archive (dynamic archive) failed to map due to damage of the archive file, dump/run jdk version mismatch or non-existence file etc, the new patch will automatically create a new shared archive if -XX:+AutoCreateSharedArchive specified with the name based on SharedArchiveFile.

Tests: tier1,tier2,tier3,tier4

Thanks
Yumin

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Commit messages:
 - Fix white space at end of line 38
 - 8261455: Automatically generate the CDS archive if necessary

Changes: https://git.openjdk.java.net/jdk/pull/5077/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=5077&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8261455
  Stats: 314 lines in 11 files changed: 246 ins; 35 del; 33 mod
  Patch: https://git.openjdk.java.net/jdk/pull/5077.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/5077/head:pull/5077

PR: https://git.openjdk.java.net/jdk/pull/5077