AudioFlinger: fix timed audio

(cherry picked from commit e20ac92c564a2f4e8123885807abdf0a78de0dd7)

> AudioFlinger: fix timed audio
>
> Addresses Bug 6900517.
>
> Finish up support for timed audio in the new FastMixer world.  Pay special
> attention to remaining lock-less and voluntary yield free on the FastMixer
> thread.  This fixes audio playback for Q on JB.
>
> Change-Id: Iaf815e58a1b1d0a0190051794bec8dc5c9231785
> Signed-off-by: John Grossman <johngro@google.com>

Change-Id: I9bd687acc345a05867af48e71116690fdb0ce1b5
Signed-off-by: John Grossman <johngro@google.com>
diff --git a/services/audioflinger/AudioBufferProviderSource.h b/services/audioflinger/AudioBufferProviderSource.h
index 2b39937..1435a84 100644
--- a/services/audioflinger/AudioBufferProviderSource.h
+++ b/services/audioflinger/AudioBufferProviderSource.h
@@ -42,8 +42,9 @@
     //virtual size_t framesOverrun();
     //virtual size_t overruns();
     virtual ssize_t availableToRead();
-    virtual ssize_t read(void *buffer, size_t count);
-    virtual ssize_t readVia(readVia_t via, size_t total, void *user, size_t block);
+    virtual ssize_t read(void *buffer, size_t count, int64_t readPTS);
+    virtual ssize_t readVia(readVia_t via, size_t total, void *user,
+                            int64_t readPTS, size_t block);
 
 private:
     AudioBufferProvider * const mProvider;