frameworks/av: Add ifdefs for QCOM_HARDWARE features

Change-Id: Iebe0da91f0b761bba8eb8c0e181c47bbd0d0703d
diff --git a/services/audioflinger/Threads.h b/services/audioflinger/Threads.h
index eff4bb7..0d01d05 100644
--- a/services/audioflinger/Threads.h
+++ b/services/audioflinger/Threads.h
@@ -138,7 +138,9 @@
     virtual     status_t    setParameters(const String8& keyValuePairs);
     virtual     String8     getParameters(const String8& keys) = 0;
     virtual     void        audioConfigChanged_l(int event, int param = 0) = 0;
+#ifdef QCOM_HARDWARE
                 void        effectConfigChanged();
+#endif
                 void        sendIoConfigEvent(int event, int param = 0);
                 void        sendIoConfigEvent_l(int event, int param = 0);
                 void        sendPrioConfigEvent_l(pid_t pid, pid_t tid, int32_t prio);