AudioFlinger: move utilities files to library

Test: Compiles, atest AudioTrackTest AudioRecordTest
Bug: 284179393
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:2c20bd8fa7e98a9bfa70bcb310e7efd7f01d87b3)
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:0077d8c43f2c08faf685f1f9108b0415812647d7)

Merged-In: I10c2c08e10422dd498eeb10a75a935430c0ad3df
Change-Id: I10c2c08e10422dd498eeb10a75a935430c0ad3df
diff --git a/services/audioflinger/FastMixer.cpp b/services/audioflinger/FastMixer.cpp
index 61dd3f2..080b0a6 100644
--- a/services/audioflinger/FastMixer.cpp
+++ b/services/audioflinger/FastMixer.cpp
@@ -42,7 +42,7 @@
 #include <cutils/bitops.h>
 #include <media/AudioMixer.h>
 #include "FastMixer.h"
-#include "TypedLogger.h"
+#include <afutils/TypedLogger.h>
 
 namespace android {