adb: Only use properties on device builds

When building for the host, don't make reference to
property_get / property_set.  I'm in the process of removing
host side support for properties.

Change-Id: I691c5872b5fd538e78bc38a3fe72574cdc7f43c3
diff --git a/adb/transport_local.c b/adb/transport_local.c
index 96a24ba..1cfa24d 100644
--- a/adb/transport_local.c
+++ b/adb/transport_local.c
@@ -21,6 +21,9 @@
 
 #include "sysdeps.h"
 #include <sys/types.h>
+#if !ADB_HOST
+#include <cutils/properties.h>
+#endif
 
 #define  TRACE_TAG  TRACE_TRANSPORT
 #include "adb.h"