Start ICS header cleanup and finish type matrix.

Change-Id: If65f96f08c958d330862c543d85dd9d4a0f90e06
diff --git a/graphics/java/android/renderscript/Byte2.java b/graphics/java/android/renderscript/Byte2.java
index 7ec6cb0..7df5f2e 100644
--- a/graphics/java/android/renderscript/Byte2.java
+++ b/graphics/java/android/renderscript/Byte2.java
@@ -28,6 +28,11 @@
     public Byte2() {
     }
 
+    public Byte2(byte initX, byte initY) {
+        x = initX;
+        y = initY;
+    }
+
     public byte x;
     public byte y;
 }