Split nblog off from nbaio

nbaio is an acronym for "non-blocking audio I/O", and nblog means
"non-blocking logger" so nblog does not belong with nbaio.

There are a lot of improvements planned for nblog, and having the
restructuring done will make it clearer as more files are added.

Test: builds OK
Change-Id: Ib28bada2566c1d64bdbe9f5d7a5ce40e080178ef
diff --git a/services/audioflinger/Android.mk b/services/audioflinger/Android.mk
index d0454d4..7419e64 100644
--- a/services/audioflinger/Android.mk
+++ b/services/audioflinger/Android.mk
@@ -51,6 +51,7 @@
     libmedialogservice \
     libmediautils \
     libnbaio \
+    libnblog \
     libpowermanager \
     libserviceutility \
     libmediautils \
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index de617b9..dff94d2 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -71,7 +71,7 @@
 
 #include <powermanager/IPowerManager.h>
 
-#include <media/nbaio/NBLog.h>
+#include <media/nblog/NBLog.h>
 #include <private/media/AudioEffectShared.h>
 #include <private/media/AudioTrackShared.h>
 
diff --git a/services/audioflinger/FastMixerState.h b/services/audioflinger/FastMixerState.h
index 5a55c7a..2be1e91 100644
--- a/services/audioflinger/FastMixerState.h
+++ b/services/audioflinger/FastMixerState.h
@@ -21,7 +21,7 @@
 #include <system/audio.h>
 #include <media/ExtendedAudioBufferProvider.h>
 #include <media/nbaio/NBAIO.h>
-#include <media/nbaio/NBLog.h>
+#include <media/nblog/NBLog.h>
 #include "FastThreadState.h"
 
 namespace android {
diff --git a/services/audioflinger/FastThreadState.h b/services/audioflinger/FastThreadState.h
index f18f846..54c0dc6 100644
--- a/services/audioflinger/FastThreadState.h
+++ b/services/audioflinger/FastThreadState.h
@@ -19,7 +19,7 @@
 
 #include "Configuration.h"
 #include <stdint.h>
-#include <media/nbaio/NBLog.h>
+#include <media/nblog/NBLog.h>
 
 namespace android {
 
diff --git a/services/audioflinger/TypedLogger.h b/services/audioflinger/TypedLogger.h
index 909af09..cae74b1 100644
--- a/services/audioflinger/TypedLogger.h
+++ b/services/audioflinger/TypedLogger.h
@@ -18,7 +18,9 @@
 #ifndef ANDROID_TYPED_LOGGER_H
 #define ANDROID_TYPED_LOGGER_H
 
-#include <media/nbaio/NBLog.h>
+// This is the client API for the typed logger.
+
+#include <media/nblog/NBLog.h>
 #include <algorithm>
 
 /*