RFR: 8294308: Allow dynamically choosing the MEMFLAGS of a type without ResourceObj [v2]

[Johan Sjölen]

> Here's a suggested solution for the ticket mentioned and a use case for outputStream. I'm not attached to the name.
> 
> This saves space for all allocated outputStreams, which is nice. It also makes the purpose of ResourceObj more clear ("please handle the life cycle for me"), reducing the need for it.
> 
> Thank you for considering it.

Johan Sjölen has updated the pull request incrementally with one additional commit since the last revision:

  Try out Coleen's suggestion

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Changes:
  - all: https://git.openjdk.org/jdk/pull/10412/files
  - new: https://git.openjdk.org/jdk/pull/10412/files/eb0174f6..11e88122

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=10412&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=10412&range=00-01

  Stats: 61 lines in 2 files changed: 1 ins; 42 del; 18 mod
  Patch: https://git.openjdk.org/jdk/pull/10412.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10412/head:pull/10412

PR: https://git.openjdk.org/jdk/pull/10412