Remove last user of <cutils/tztime.h>.

Bug: 15765976

(cherry picked from commit 56687f7cbf0a3d7909830fc1390a98c713a05e6f)

Change-Id: Iacb225584c3acdbb512f46b638a215b75b32cdcb
diff --git a/media/mtp/MtpUtils.cpp b/media/mtp/MtpUtils.cpp
index 6ec8876..0667bdd 100644
--- a/media/mtp/MtpUtils.cpp
+++ b/media/mtp/MtpUtils.cpp
@@ -19,7 +19,8 @@
 #include <stdio.h>
 #include <time.h>
 
-#include <cutils/tztime.h>
+#include <../private/bionic_time.h> /* TODO: switch this code to icu4c! */
+
 #include "MtpUtils.h"
 
 namespace android {