RFR: 8306855: [s390x] fix difference in abi sizes

[Amit Kumar]

This PR equals the interpreter, native abi sizes. JIT abi is completely removed as it was not being used anywhere in s390x code base. Apart form it, `z_abi_16` was replaced by `z_common_abi` and some other renaming followed this ladder.

Builds `slowdebug, fastdebug, release, optimized` are okay. `tier1-tests on fastdebug-build` are not affected as well.

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Commit messages:
 - fixes different size issue for different abi frames

Changes: https://git.openjdk.org/jdk/pull/13650/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=13650&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8306855
  Stats: 52 lines in 9 files changed: 14 ins; 11 del; 27 mod
  Patch: https://git.openjdk.org/jdk/pull/13650.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13650/head:pull/13650

PR: https://git.openjdk.org/jdk/pull/13650