Move adapter2D to a derived class from Allocation.

Change-Id: I7e9d8b0028ba95956476f253da38dbe64564d0da
diff --git a/libs/rs/RenderScript.h b/libs/rs/RenderScript.h
index 3ad453f..87758e5 100644
--- a/libs/rs/RenderScript.h
+++ b/libs/rs/RenderScript.h
@@ -111,6 +111,15 @@
     RS_ALLOCATION_MIPMAP_ON_SYNC_TO_TEXTURE = 2
 };
 
+enum RsAllocationCubemapFace {
+    RS_ALLOCATION_CUBMAP_FACE_POSITVE_X = 0,
+    RS_ALLOCATION_CUBMAP_FACE_NEGATIVE_X = 1,
+    RS_ALLOCATION_CUBMAP_FACE_POSITVE_Y = 2,
+    RS_ALLOCATION_CUBMAP_FACE_NEGATIVE_Y = 3,
+    RS_ALLOCATION_CUBMAP_FACE_POSITVE_Z = 4,
+    RS_ALLOCATION_CUBMAP_FACE_NEGATIVE_Z = 5
+};
+
 enum RsDataType {
     RS_TYPE_NONE,
     RS_TYPE_FLOAT_16,