<i18n dev> RFR: JDK-8315457 Implementation of String Templates (Second Preview) [v6]

[Jim Laskey]

> Update String Templates for a second preview. With the addition of
> 
> - Expression type and throws are determined from the `process` method of the processor type and not the processor type.
> 
> - Qualified `STR` and `RAW` are treated the same as unqualified `STR` and `RAW` .
> 
> - Raw (generic) process types are no longer an error.

Jim Laskey has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains eight additional commits since the last revision:

 - Merge remote-tracking branch 'upstream/master' into 8315457
 - Remove preview from JavaLangAccess
 - Merge remote-tracking branch 'upstream/master' into 8315457
 - Cache process method type in JCStringTemplate
 - Revert source
 - Revert @since 22
 - Accept qualified STR and RAW
 - String Templates (second preview)

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/16202/files
  - new: https://git.openjdk.org/jdk/pull/16202/files/4641ec05..c616f48e

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=16202&range=05
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=16202&range=04-05

  Stats: 2467 lines in 114 files changed: 1740 ins; 357 del; 370 mod
  Patch: https://git.openjdk.org/jdk/pull/16202.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16202/head:pull/16202

PR: https://git.openjdk.org/jdk/pull/16202