AV Android make files changes

o plus a few file relocation: ActivityManager.cpp/h, SoundPool.h, etc
o remove some runtime dependencies to libandroid, libandroid_runtime, etc

Change-Id: I047a47c5fb361dd5cf85cd98798c39f629a75d10
diff --git a/media/libmedia/SoundPool.cpp b/media/libmedia/SoundPool.cpp
index 306c57d..3b7b96a 100644
--- a/media/libmedia/SoundPool.cpp
+++ b/media/libmedia/SoundPool.cpp
@@ -28,7 +28,7 @@
 
 #include <system/audio.h>
 
-#include "SoundPool.h"
+#include <media/SoundPool.h>
 #include "SoundPoolThread.h"
 
 namespace android