RFR: 8349984: (jdeps) jdeps can use String.repeat instead of String.replaceAll

[Henry Jen]

JDK-8349989: jlink can use String.replace instead of String.replaceAll

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Commit messages:
 - JDK-8349989: jlink can use String.replace instead of String.replaceAll
 - JDK-8349984: (jdeps) jdeps can use String.repeat instead of String.replaceAll

Changes: https://git.openjdk.org/jdk/pull/23954/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=23954&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8349984
  Stats: 5 lines in 3 files changed: 0 ins; 0 del; 5 mod
  Patch: https://git.openjdk.org/jdk/pull/23954.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23954/head:pull/23954

PR: https://git.openjdk.org/jdk/pull/23954