add vendor/google/glfw_nexus to restricted manifest

GLFW support for libnexus.

Change-Id: I9aca80e35f40ea7976b123b600ad3995a44082bb
diff --git a/default.xml b/default.xml
index 125d1ca..5657ef7 100644
--- a/default.xml
+++ b/default.xml
@@ -97,6 +97,7 @@
   <project name="vendor/google/freetypejni"/>
   <project name="vendor/google/frob"/>
   <project name="vendor/google/gips"/>
+  <project name="vendor/google/glfw_nexus"/>
   <project name="vendor/google/hdcp"/>
   <project name="vendor/google/imageloadjni"/>
   <project name="vendor/google/jtux"/>