[code-reflection] RFR: OpBuilder splitting into lambdas based on OP_LIMIT

[Adam Sotona]

OpBuilder.OP_LIMIT limits number of ops to be build in a single method or lambda body. 
Nested lambdas are spawned when the limit is reached.

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Commit messages:
 - OpBuilder splitting into lambdas based on OP_LIMIT

Changes: https://git.openjdk.org/babylon/pull/833/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=833&range=00
  Stats: 22 lines in 1 file changed: 21 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/babylon/pull/833.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/833/head:pull/833

PR: https://git.openjdk.org/babylon/pull/833