Propagate sample rate to static audio track

Bug: 136691300
Test: playback on static buffer track
Change-Id: Ib11c39e381a1b78450ab8a688310453aa3f1daf7
Signed-off-by: Kevin Rocard <krocard@google.com>
diff --git a/services/audioflinger/Tracks.cpp b/services/audioflinger/Tracks.cpp
index 0948a53..d94252d 100644
--- a/services/audioflinger/Tracks.cpp
+++ b/services/audioflinger/Tracks.cpp
@@ -561,7 +561,7 @@
                 mFrameSize, !isExternalTrack(), sampleRate);
     } else {
         mAudioTrackServerProxy = new StaticAudioTrackServerProxy(mCblk, mBuffer, frameCount,
-                mFrameSize);
+                mFrameSize, sampleRate);
     }
     mServerProxy = mAudioTrackServerProxy;