RFR: 8284780: Need methods to create pre-sized HashSet and LinkedHashSet [v6]

[XenoAmess]

> as title.

XenoAmess has updated the pull request incrementally with two additional commits since the last revision:

 - add more replaces
 - add more replaces

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/8302/files
  - new: https://git.openjdk.java.net/jdk/pull/8302/files/26bb5792..53fdb7cd

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=8302&range=05
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=8302&range=04-05

  Stats: 28 lines in 16 files changed: 0 ins; 0 del; 28 mod
  Patch: https://git.openjdk.java.net/jdk/pull/8302.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/8302/head:pull/8302

PR: https://git.openjdk.java.net/jdk/pull/8302