Move C++ API over to function tables rather than linking libRS directly.

Change-Id: I7841df768d5bd10fa941b3655673fd73496a8137
diff --git a/cpp/ScriptIntrinsics.cpp b/cpp/ScriptIntrinsics.cpp
index 44e8760..44c5bb6 100644
--- a/cpp/ScriptIntrinsics.cpp
+++ b/cpp/ScriptIntrinsics.cpp
@@ -25,7 +25,7 @@
 
 ScriptIntrinsic::ScriptIntrinsic(sp<RS> rs, int id, sp<const Element> e)
     : Script(NULL, rs) {
-    mID = rsScriptIntrinsicCreate(rs->getContext(), id, e->getID());
+    mID = RS::dispatch->ScriptIntrinsicCreate(rs->getContext(), id, e->getID());
 }
 
 ScriptIntrinsicBlend::ScriptIntrinsicBlend(sp<RS> rs, sp<const Element> e)