[foreign-abi] [Rev 02] RFR: 8242028: Remove C string to/from Java string utilities from Foreign class

[Athijegannathan Sundararajan]

> Removing C string to/from Java string conversion utilities from Foreign.

Athijegannathan Sundararajan has updated the pull request with a new target base due to a merge or a rebase. The pull
request now contains five commits:

 - merge issues after recent Foreign API changes.
 - Merge foreign-abi
 - whitespace in comment.
 - removed trailing whitespace.
 - 8242028: Remove C string to/from Java string utilities from Foreign class

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Changes: https://git.openjdk.java.net/panama-foreign/pull/85/files
 Webrev: https://webrevs.openjdk.java.net/panama-foreign/85/webrev.02
  Stats: 291 lines in 12 files changed: 102 ins; 179 del; 10 mod
  Patch: https://git.openjdk.java.net/panama-foreign/pull/85.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-foreign pull/85/head:pull/85

PR: https://git.openjdk.java.net/panama-foreign/pull/85