Throttle low priority RS threads by sleeping once per frame to avoid starving other apps.
diff --git a/libs/rs/rsScriptC.h b/libs/rs/rsScriptC.h
index 69afc18..35abadf 100644
--- a/libs/rs/rsScriptC.h
+++ b/libs/rs/rsScriptC.h
@@ -55,7 +55,7 @@
     ACCscript*    mAccScript;
 
     virtual void setupScript();
-    virtual bool run(Context *, uint32_t launchID);
+    virtual uint32_t run(Context *, uint32_t launchID);
 };
 
 class ScriptCState