Update platform tools version from 18.0.0 to 18.0.1

systrace is now present in platform-tools

Change-Id: Ib1c418bd47f03d3cfb6a5cd41c9033b81ab08ef9
diff --git a/sdk/plat_tools_source.properties b/sdk/plat_tools_source.properties
index c7c8a05..1ac7da0 100644
--- a/sdk/plat_tools_source.properties
+++ b/sdk/plat_tools_source.properties
@@ -1,3 +1,3 @@
 Pkg.UserSrc=false
-Pkg.Revision=18.0.0
+Pkg.Revision=18.0.1