Add "required" for "bredr_vs_btadva" name space

Add "required" for "bredr_vs_btadva" name space
to be able to include configuration file in
the builds by default.

CRs-Fixed: 2946418
Change-Id: I9164de5a3e62b46c6eb2b1268a064bae27a60c5c
diff --git a/Android.bp b/Android.bp
index 0bf4d8e..9ca46a7 100644
--- a/Android.bp
+++ b/Android.bp
@@ -21,7 +21,7 @@
     config_namespace: "bredr_vs_btadva",
     variables: ["bredr_or_btadva"],
     // Properties can be extended to other properties as well
-    properties: ["cflags", "include_dirs", "static_libs", "whole_static_libs", "srcs"],
+    properties: ["cflags", "include_dirs", "static_libs", "whole_static_libs", "srcs", "required"],
 }
 
 soong_config_module_type {