Add support for querying if a stream is active remotely

Bug 7485803

Change-Id: I0744374f130fd2dd0714102354cffed2fa915361
diff --git a/services/audioflinger/AudioPolicyService.h b/services/audioflinger/AudioPolicyService.h
index 92653c1..35cf368 100644
--- a/services/audioflinger/AudioPolicyService.h
+++ b/services/audioflinger/AudioPolicyService.h
@@ -104,6 +104,7 @@
     virtual status_t unregisterEffect(int id);
     virtual status_t setEffectEnabled(int id, bool enabled);
     virtual bool isStreamActive(audio_stream_type_t stream, uint32_t inPastMs = 0) const;
+    virtual bool isStreamActiveRemotely(audio_stream_type_t stream, uint32_t inPastMs = 0) const;
     virtual bool isSourceActive(audio_source_t source) const;
 
     virtual status_t queryDefaultPreProcessing(int audioSession,