RFR: 8266155: Convert java.base to use Stream.toList()

[Ian Graves]

8266155: Convert java.base to use Stream.toList()

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Commit messages:
 - Migrating java.base to use Stream.toList()

Changes: https://git.openjdk.java.net/jdk/pull/3734/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3734&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8266155
  Stats: 18 lines in 8 files changed: 0 ins; 4 del; 14 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3734.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3734/head:pull/3734

PR: https://git.openjdk.java.net/jdk/pull/3734