hg: jdk9/client/jdk: 8177393: Result of RescaleOp for 4BYTE_ABGR images may be 25% black

[philip.race at oracle.com]

Changeset: c1ddb97ee2ab
Author:    prr
Date:      2017-05-19 14:57 -0700
URL:       http://hg.openjdk.java.net/jdk9/client/jdk/rev/c1ddb97ee2ab

8177393: Result of RescaleOp for 4BYTE_ABGR images may be 25% black
Reviewed-by: flar, psadhukhan

! src/java.desktop/share/classes/java/awt/image/RescaleOp.java
+ test/java/awt/image/RescaleOp/ImageRescaleOpTest.java