[jdk11u-dev] RFR: 8264666: Change implementation of safeAdd/safeMult in the LCMSImageLayout class

[Matthias Baesken]

backport of 8264666

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Commit messages:
 - Backport 3ef9ce6c02784abe3b3b55e4d490554436bf5991

Changes: https://git.openjdk.org/jdk11u-dev/pull/1522/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1522&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8264666
  Stats: 195 lines in 2 files changed: 169 ins; 15 del; 11 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1522.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev pull/1522/head:pull/1522

PR: https://git.openjdk.org/jdk11u-dev/pull/1522