[jdk11u-dev] RFR: 8263185: Mallinfo deprecated in glibc 2.33

[Paul Hohensee]

Please review this glibc 2.33 compatibility backport. Applies cleanly net of context differences.

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Commit messages:
 - Backport 454af8719e3f0e09de7665941a9a19f6e93f6d7a

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/676/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=676&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8263185
  Stats: 65 lines in 2 files changed: 53 ins; 2 del; 10 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/676.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/676/head:pull/676

PR: https://git.openjdk.java.net/jdk11u-dev/pull/676