fix client pid for effects applied by audio policy

Test: Hangouts call, Play Music with and w/o effects

Change-Id: Ia9b20f94be667dd92e0497f8ef9c0dc0e95afe28
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index c3bf1f9..71d6b92 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -224,6 +224,7 @@
                         audio_io_handle_t io,
                         audio_session_t sessionId,
                         const String16& opPackageName,
+                        pid_t pid,
                         status_t *status /*non-NULL*/,
                         int *id,
                         int *enabled);