Fix two minor issues.  Rename launchID to launchIndex and make util class Matrix public for apps to use.
diff --git a/libs/rs/RenderScriptEnv.h b/libs/rs/RenderScriptEnv.h
index 1bf5f22..fff96eb 100644
--- a/libs/rs/RenderScriptEnv.h
+++ b/libs/rs/RenderScriptEnv.h
@@ -87,7 +87,7 @@
     void (*drawRect)(void *con, int32_t x1, int32_t x2, int32_t y1, int32_t y2);
 } rsc_FunctionTable;
 
-typedef int (*rsc_RunScript)(void *con, const rsc_FunctionTable *, uint32_t launchID);
+typedef int (*rsc_RunScript)(void *con, const rsc_FunctionTable *, uint32_t launchIndex);
 
 
 /* EnableCap */