[jdk17u-dev] RFR: 8271616: oddPart in MutableBigInteger::mutableModInverse contains info on final result

[Aleksey Shipilev]

Clean backport to strip out more sensitive data from heap.

Additional testing:
 - [ ] GHA

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Commit messages:
 - Backport a8408708b065a877278acc6b007ad6a9baaf2561

Changes: https://git.openjdk.org/jdk17u-dev/pull/2033/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2033&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8271616
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2033.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2033/head:pull/2033

PR: https://git.openjdk.org/jdk17u-dev/pull/2033