audio policy: pass session ID to capture activity methods

Indicate the audio session ID when calling getInput(),
startInput(), stopInput(), releaseInput().

Bug: 12378680.
Change-Id: I763793752f93e2f4e1445a5ab217c895af011038
diff --git a/include/media/AudioSystem.h b/include/media/AudioSystem.h
index 2e3cab0..cf34991 100644
--- a/include/media/AudioSystem.h
+++ b/include/media/AudioSystem.h
@@ -237,9 +237,12 @@
                                     int sessionId,
                                     audio_input_flags_t);
 
-    static status_t startInput(audio_io_handle_t input);
-    static status_t stopInput(audio_io_handle_t input);
-    static void releaseInput(audio_io_handle_t input);
+    static status_t startInput(audio_io_handle_t input,
+                               audio_session_t session);
+    static status_t stopInput(audio_io_handle_t input,
+                              audio_session_t session);
+    static void releaseInput(audio_io_handle_t input,
+                             audio_session_t session);
     static status_t initStreamVolume(audio_stream_type_t stream,
                                       int indexMin,
                                       int indexMax);
diff --git a/include/media/IAudioPolicyService.h b/include/media/IAudioPolicyService.h
index e08b5ae..abbda32 100644
--- a/include/media/IAudioPolicyService.h
+++ b/include/media/IAudioPolicyService.h
@@ -75,9 +75,12 @@
                                     audio_channel_mask_t channelMask,
                                     int audioSession,
                                     audio_input_flags_t flags) = 0;
-    virtual status_t startInput(audio_io_handle_t input) = 0;
-    virtual status_t stopInput(audio_io_handle_t input) = 0;
-    virtual void releaseInput(audio_io_handle_t input) = 0;
+    virtual status_t startInput(audio_io_handle_t input,
+                                audio_session_t session) = 0;
+    virtual status_t stopInput(audio_io_handle_t input,
+                               audio_session_t session) = 0;
+    virtual void releaseInput(audio_io_handle_t input,
+                              audio_session_t session) = 0;
     virtual status_t initStreamVolume(audio_stream_type_t stream,
                                       int indexMin,
                                       int indexMax) = 0;