Special case system_server to not create the JIT code cache.

Change-Id: I34485c709b0c70b8d9c34bebcf399781aebaf11b
diff --git a/runtime/runtime.h b/runtime/runtime.h
index 93d8fcf..7ca6b4f 100644
--- a/runtime/runtime.h
+++ b/runtime/runtime.h
@@ -457,7 +457,8 @@
 
   void PreZygoteFork();
   bool InitZygote();
-  void InitNonZygoteOrPostFork(JNIEnv* env, NativeBridgeAction action, const char* isa);
+  void InitNonZygoteOrPostFork(
+      JNIEnv* env, bool is_system_server, NativeBridgeAction action, const char* isa);
 
   const instrumentation::Instrumentation* GetInstrumentation() const {
     return &instrumentation_;