remove include of utils/Log.h

Remove the include of utils/Log.h to avoid having to pull in liblog.
Add pthread.h because it was getting it implicitly through utils/Log.h.

Change-Id: Ib05b2934fe24cbb47eb4daf41cd392830caceeed
diff --git a/arm-wt-22k/host_src/eas_hostmm.c b/arm-wt-22k/host_src/eas_hostmm.c
index 6732928..5243639 100644
--- a/arm-wt-22k/host_src/eas_hostmm.c
+++ b/arm-wt-22k/host_src/eas_hostmm.c
@@ -54,8 +54,7 @@
 #include <sys/mman.h>
 #include <errno.h>
 #include <signal.h>
-#define LOG_TAG "Sonivox"
-#include <utils/Log.h>
+#include <pthread.h>
 #include <media/MediaPlayerInterface.h>
 #endif