RFR: 6211202: ColorSpace.getInstance(int): IAE is not specified

[Sergey Bylokhov]

* Added @throws IllegalArgumentException to the specification of java.awt.color.ColorSpace.getInstance(int)
* Deleted duplicate text about IllegalArgumentException from the java.awt.color.ICC_Profile.getInstance(int)

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

Commit messages:
 - 6211202: ColorSpace.getInstance(int): IAE is not specified

Changes: https://git.openjdk.org/jdk/pull/14860/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=14860&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-6211202
  Stats: 20 lines in 3 files changed: 15 ins; 1 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/14860.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14860/head:pull/14860

PR: https://git.openjdk.org/jdk/pull/14860