Rough implemetation of ForEach.
Remove launchID from root graphics script.

Change-Id: I9f80c0d4df1264f2ee1624a6d7216b9dfdf8502e
diff --git a/rsContext.cpp b/rsContext.cpp
index f99e5f2..449e5dc 100644
--- a/rsContext.cpp
+++ b/rsContext.cpp
@@ -127,14 +127,14 @@
 }
 
 
-uint32_t Context::runScript(Script *s, uint32_t launchID)
+uint32_t Context::runScript(Script *s)
 {
     ObjectBaseRef<ProgramFragment> frag(mFragment);
     ObjectBaseRef<ProgramVertex> vtx(mVertex);
     ObjectBaseRef<ProgramStore> store(mFragmentStore);
     ObjectBaseRef<ProgramRaster> raster(mRaster);
 
-    uint32_t ret = s->run(this, launchID);
+    uint32_t ret = s->run(this);
 
     mFragment.set(frag);
     mVertex.set(vtx);
@@ -157,7 +157,7 @@
 
     timerSet(RS_TIMER_SCRIPT);
     mStateFragmentStore.mLast.clear();
-    uint32_t ret = runScript(mRootScript.get(), 0);
+    uint32_t ret = runScript(mRootScript.get());
 
     checkError("runRootScript");
     if (mError != RS_ERROR_NONE) {