AudioTrack::obtainBuffer() now returns number of non-contiguous frames

Change-Id: I1f61d7e3d057c3254babe456b4aa0f6a1809da55
diff --git a/media/libmedia/AudioTrack.cpp b/media/libmedia/AudioTrack.cpp
index 0713c66..720db17 100644
--- a/media/libmedia/AudioTrack.cpp
+++ b/media/libmedia/AudioTrack.cpp
@@ -1236,7 +1236,7 @@
     return status;
 }
 
-status_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount)
+status_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount, size_t *nonContig)
 {
     if (audioBuffer == NULL) {
         return BAD_VALUE;
@@ -1263,7 +1263,7 @@
         ALOGE("%s invalid waitCount %d", __func__, waitCount);
         requested = NULL;
     }
-    return obtainBuffer(audioBuffer, requested);
+    return obtainBuffer(audioBuffer, requested, NULL /*elapsed*/, nonContig);
 }
 
 status_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested,