clean up CL for androidmk variables

Change-Id: If14d1925bea78f467740f8395f1d529db00b618c
diff --git a/cc/library_headers.go b/cc/library_headers.go
index 4d38068..aea3fe6 100644
--- a/cc/library_headers.go
+++ b/cc/library_headers.go
@@ -88,6 +88,8 @@
 	// validation will fail. For now, set this to an empty list.
 	// TODO(cparsons): More closely mirror the collectHeadersForSnapshot implementation.
 	h.library.collectedSnapshotHeaders = android.Paths{}
+
+	h.module.setAndroidMkVariablesFromCquery(ccInfo.CcAndroidMkInfo)
 }
 
 // cc_library_headers contains a set of c/c++ headers which are imported by