RFR: 8169187: [macosx] Aqua: java/awt/image/multiresolution/MultiresolutionIconTest.java [v3]

[Alisen Chung]

> Removed darkening of icons on button press in Aqua to match other L&Fs. The icon darkening was causing this test to fail on MacOS.
> 
> The test is passing on all platforms after this change.

Alisen Chung has updated the pull request incrementally with one additional commit since the last revision:

  reverted icon change, skipped running test on Aqua L&F

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Changes:
  - all: https://git.openjdk.org/jdk/pull/9436/files
  - new: https://git.openjdk.org/jdk/pull/9436/files/ca002830..8a626c96

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=9436&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=9436&range=01-02

  Stats: 9 lines in 2 files changed: 9 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/9436.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9436/head:pull/9436

PR: https://git.openjdk.org/jdk/pull/9436