display: Add HIDL for IDisplayConfig.

- Add HIDL for display config which can
  be used by clients to communicate with
  display for config get/set.

CRs-Fixed: 2036340
Change-Id: I3901bad6284668e299e7e818e5920052a98abe0a
diff --git a/Android.bp b/Android.bp
new file mode 100644
index 0000000..79e8609
--- /dev/null
+++ b/Android.bp
@@ -0,0 +1,11 @@
+subdirs = [
+    "*"
+]
+
+cc_defaults {
+    name: "hidl_defaults",
+    cflags: [
+        "-Wall",
+        "-Werror",
+    ],
+}