RFR: 8337654: Relocate uncommon trap stub from SharedRuntime to OptoRuntime

[Andrew Dinn]

Reorganization of generation and management code for C2-specific blob so that it is, as far as possible, under the scope of class OptoRuntime with an implementation located in C2-specific source files.

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Commit messages:
 - 8337654: Relocate uncommon trap stub from SharedRuntime to OptoRuntime

Changes: https://git.openjdk.org/jdk/pull/20417/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20417&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8337654
  Stats: 2351 lines in 21 files changed: 981 ins; 1355 del; 15 mod
  Patch: https://git.openjdk.org/jdk/pull/20417.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/20417/head:pull/20417

PR: https://git.openjdk.org/jdk/pull/20417