hg: panama/dev: Add note to consider methods for leading/trailing zeros on mask.

[paul.sandoz at oracle.com]

Changeset: eccbed5fd208
Author:    psandoz
Date:      2018-01-29 14:18 -0800
URL:       http://hg.openjdk.java.net/panama/dev/rev/eccbed5fd208

Add note to consider methods for leading/trailing zeros on mask.

! src/jdk.incubator.vector/share/classes/jdk/incubator/vector/Vector.java
! test/jdk/jdk/incubator/vector/VectorArrays.java