Merge "Update Element.isCompatible() to work with NONE."

        // Ignore mKind because it is allowed to be different (user vs. pixel).

        // We also ignore mNormalized because it can be different. The mType

        // field must be non-null since we require name equivalence for

        // user-created Elements.

        // field must not be NONE since we require name equivalence for

        // all user-created Elements.

        return ((mSize == e.mSize) &&

                (mType != null) &&

                (mType != DataType.NONE) &&

                (mType == e.mType) &&

                (mVectorSize == e.mVectorSize));

    }