Move frameworks/av off private API.

Bug: 11156955
Change-Id: Ib3bb9d66a2bf92977c2445b62aa074a2d7a45aea
diff --git a/services/audioflinger/Tracks.cpp b/services/audioflinger/Tracks.cpp
index 3d15900..cce0a32 100644
--- a/services/audioflinger/Tracks.cpp
+++ b/services/audioflinger/Tracks.cpp
@@ -21,6 +21,7 @@
 
 #include "Configuration.h"
 #include <math.h>
+#include <sys/syscall.h>
 #include <utils/Log.h>
 
 #include <private/media/AudioTrackShared.h>
@@ -952,7 +953,7 @@
     android_atomic_or(CBLK_INVALID, &cblk->mFlags);
     android_atomic_release_store(0x40000000, &cblk->mFutex);
     // client is not in server, so FUTEX_WAKE is needed instead of FUTEX_WAKE_PRIVATE
-    (void) __futex_syscall4(&cblk->mFutex, FUTEX_WAKE, INT_MAX, NULL);
+    (void) syscall(__NR_futex, &cblk->mFutex, FUTEX_WAKE, INT_MAX);
     mIsInvalid = true;
 }
 
@@ -1839,7 +1840,7 @@
     android_atomic_or(CBLK_INVALID, &cblk->mFlags);
     android_atomic_release_store(0x40000000, &cblk->mFutex);
     // client is not in server, so FUTEX_WAKE is needed instead of FUTEX_WAKE_PRIVATE
-    (void) __futex_syscall4(&cblk->mFutex, FUTEX_WAKE, INT_MAX, NULL);
+    (void) syscall(__NR_futex, &cblk->mFutex, FUTEX_WAKE, INT_MAX);
 }