RFR: 8372754: Add wrapper for <cstdlib> [v2]

[Kim Barrett]

> Please review this change that adds a HotSpot wrapper for <cstdlib>.  It also
> includes the forbidden function declarations for functions declared there,
> moving them from forbiddenFunctions.hpp and friends.
> 
> The AIX-specific workaround for its macro-based renaming of malloc/calloc is
> also moved to this wrapper, so there is a single location for it. Also cleaned
> it up a bit, based on further investigation of the problem.
> 
> Also changed uses of <cstdlib> and <stdlib.h> to include the wrapper instead.
> There are still a couple of includes of <stdlib.h> in the hotspot directory,
> because they can't use the hotspot wrapper: os/windows/include/jvm_md.h and
> share/adlc/adlc.hpp.  I looked at removing the one in windows jvm_md.h, but
> there are a lot of dependencies on that implicit include in non-HotSpot code.
> 
> While updating to use the wrapper, I also did a small amount of include
> cleanup here and there.  The changes around immediate_aarch64.hpp are perhaps
> a little less trivial than I should have made here.
> 
> Testing: mach5 tier1
> 
> This should probably be retested by aix port maintainer folks, although I
> don't think I made any relevant changes since you last tested it.
> 
> This change also resolves:

Kim Barrett 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 two additional commits since the last revision:

 - Merge branch 'master' into wrap-cstdlib
 - add wrapper for <cstdlib>

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/28562/files
  - new: https://git.openjdk.org/jdk/pull/28562/files/3dd6389a..f210f9ef

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=28562&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=28562&range=00-01

  Stats: 5754 lines in 220 files changed: 3513 ins; 587 del; 1654 mod
  Patch: https://git.openjdk.org/jdk/pull/28562.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28562/head:pull/28562

PR: https://git.openjdk.org/jdk/pull/28562