RFR: 8263561: Re-examine uses of LinkedList [v2]

[Сергей Цыпанов]

> After I've renamed remove branch GitHub for some reason has closed original https://github.com/openjdk/jdk/pull/2744, so I've decided to recreate it.

Сергей Цыпанов has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains seven commits:

 - Merge branch 'master' into 8263561
 - Merge branch 'master' into 8263561
   
   # Conflicts:
   #	src/java.base/unix/classes/sun/net/dns/ResolverConfigurationImpl.java
 - Merge branch 'master' into purge-linked-list
 - 8263561: Use sized constructor where reasonable
 - 8263561: Use interface List instead of particular type where possible
 - 8263561: Rename requestList -> requests
 - 8263561: Re-examine uses of LinkedList

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Changes: https://git.openjdk.java.net/jdk/pull/4304/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4304&range=01
  Stats: 48 lines in 9 files changed: 0 ins; 2 del; 46 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4304.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4304/head:pull/4304

PR: https://git.openjdk.java.net/jdk/pull/4304