[code-reflection] RFR: Move Block.Builder.inline to analysis package

[Paul Sandoz]

Move the `Block.Builder.inline` method and dependent functionality to the class `Inliner` in the `analysis` package.

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Commit messages:
 - Move Block.Bulder.inline to analysis package

Changes: https://git.openjdk.org/babylon/pull/493/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=493&range=00
  Stats: 286 lines in 8 files changed: 141 ins; 121 del; 24 mod
  Patch: https://git.openjdk.org/babylon/pull/493.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/493/head:pull/493

PR: https://git.openjdk.org/babylon/pull/493