Add platform/external/volley
diff --git a/default.xml b/default.xml
index 5eea9b4..088c46a 100644
--- a/default.xml
+++ b/default.xml
@@ -579,6 +579,7 @@
   <project name="platform/external/vboot_reference" />
   <project name="platform/external/vixl" />
   <project name="platform/external/vogar" />
+  <project name="platform/external/volley" />
   <project name="platform/external/vulkan-validation-layers" />
   <project name="platform/external/weave-common" />
   <project name="platform/external/webkit" />