manifest: Track our system/libhidl

Change-Id: I8412db0771855ae16b4d1b5a03047937e4d5ff66
diff --git a/remove.xml b/remove.xml
index 9bc386b..e2cc6ce 100644
--- a/remove.xml
+++ b/remove.xml
@@ -27,6 +27,7 @@
     <remove-project name="platform/packages/services/Telephony" />
 
     <remove-project name="platform/system/core" />
+    <remove-project name="platform/system/libhidl" />
     <remove-project name="platform/system/security" />
     <remove-project name="platform/system/sepolicy" />
     <remove-project name="platform/system/update_engine" />