RFR: 8292314: Cleanup legacy address handling [v3]

[Julian Waters]

> Cleanup legacy address check in libsplashscreen obsoleted by http://hg.openjdk.java.net/jdk7u/jdk7u/jdk/rev/75755e92430c

Julian Waters has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains three additional commits since the last revision:

 - Merge branch 'openjdk:master' into patch-6
 - Merge branch 'openjdk:master' into patch-6
 - First try, remove memory address entirely

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/9866/files
  - new: https://git.openjdk.org/jdk/pull/9866/files/3e7830d7..3082cae2

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=9866&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=9866&range=01-02

  Stats: 4057 lines in 225 files changed: 1909 ins; 1071 del; 1077 mod
  Patch: https://git.openjdk.org/jdk/pull/9866.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9866/head:pull/9866

PR: https://git.openjdk.org/jdk/pull/9866