Start ICS header cleanup and finish type matrix.

Change-Id: If65f96f08c958d330862c543d85dd9d4a0f90e06
diff --git a/graphics/java/android/renderscript/Short3.java b/graphics/java/android/renderscript/Short3.java
index f34500c..b9ca49b 100644
--- a/graphics/java/android/renderscript/Short3.java
+++ b/graphics/java/android/renderscript/Short3.java
@@ -28,6 +28,12 @@
     public Short3() {
     }
 
+    public Short3(short initX, short initY, short initZ) {
+        x = initX;
+        y = initY;
+        z = initZ;
+    }
+
     public short x;
     public short y;
     public short z;