[jdk17u-dev] RFR: 8339341: SurfaceManager cacheMap retains strong references

[Nikita Gubarkov]

8339341: SurfaceManager cacheMap retains strong references

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Commit messages:
 - 8339341: Make SurfaceDataProxy cache a separate entity.

Changes: https://git.openjdk.org/jdk17u-dev/pull/2990/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2990&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8339341
  Stats: 184 lines in 18 files changed: 61 ins; 63 del; 60 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2990.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2990/head:pull/2990

PR: https://git.openjdk.org/jdk17u-dev/pull/2990