Move monitor.h to include/monitor/

+ monitor-android.h -> include/android/monitor.h

Change-Id: Iad8afa71461dd70c6997902516fbf4ef7cb8babe
diff --git a/vl.c b/vl.c
index a7285a7..f13fa1a 100644
--- a/vl.c
+++ b/vl.c
@@ -146,7 +146,7 @@
 #include "hw/xen.h"
 #include "bt-host.h"
 #include "net/net.h"
-#include "monitor.h"
+#include "monitor/monitor.h"
 #include "ui/console.h"
 #include "sysemu.h"
 #include "exec/gdbstub.h"