Fix some includes that are not longer present

Change-Id: Ic9509b0dc7f71ae64f64cc891868a2543eee4321
diff --git a/mtp/MtpUtils.cpp b/mtp/MtpUtils.cpp
index 5be8638..4ad59fd 100755
--- a/mtp/MtpUtils.cpp
+++ b/mtp/MtpUtils.cpp
@@ -18,8 +18,8 @@
 
 #include <stdio.h>
 #include <time.h>
-
-#include <cutils/tztime.h>
+// Not available in 5.0
+//#include <cutils/tztime.h>
 #include "MtpUtils.h"
 #include "MtpDebug.h"