media.log: re-implement NBLog using audio_utils_fifo

NBLog previously has its own shared memory circular buffer code.
Now NBLog operates on top of the circular buffer code in audio_utils.

Test: media.log still works
Change-Id: Ib3026d2a96e6c0b433603e8baf19164ad97a1e1f
diff --git a/services/audioflinger/FastThreadDumpState.cpp b/services/audioflinger/FastThreadDumpState.cpp
index 9df5c4c..964a725 100644
--- a/services/audioflinger/FastThreadDumpState.cpp
+++ b/services/audioflinger/FastThreadDumpState.cpp
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+#include <audio_utils/roundup.h>
 #include "FastThreadDumpState.h"
 
 namespace android {