RFR: 8347094: Inline CollectedHeap::increment_total_full_collections

[Albert Mingkun Yang]

Trivial inlining a method to its sole caller.

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Commit messages:
 - trivial

Changes: https://git.openjdk.org/jdk/pull/22940/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22940&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8347094
  Stats: 3 lines in 1 file changed: 0 ins; 2 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/22940.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22940/head:pull/22940

PR: https://git.openjdk.org/jdk/pull/22940