RFR: 8317515: Unify the code of the parse*() families of methods in j.l.Integer and j.l.Long [v2]

[Raffaello Giulietti]

> See the [JBS issue](https://bugs.openjdk.org/browse/JDK-8317515) for the details.

Raffaello Giulietti has updated the pull request incrementally with one additional commit since the last revision:

  Avoid localized integers in radix-out-of-range exception messages.

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Changes:
  - all: https://git.openjdk.org/jdk/pull/16050/files
  - new: https://git.openjdk.org/jdk/pull/16050/files/3b743686..bb4cc608

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=16050&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=16050&range=00-01

  Stats: 16 lines in 2 files changed: 0 ins; 0 del; 16 mod
  Patch: https://git.openjdk.org/jdk/pull/16050.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16050/head:pull/16050

PR: https://git.openjdk.org/jdk/pull/16050