Adding aidl file to share deviceProductInfo constants bw java and c++

Bug: 179775994
Test: N/A
Change-Id: Ibea82aeff36e8cb7ee57ff1d7798e67615278af6
diff --git a/Android.bp b/Android.bp
index 1393f61..dec6716 100644
--- a/Android.bp
+++ b/Android.bp
@@ -86,3 +86,9 @@
     name: "libandroid_headers_private",
     export_include_dirs: ["include/private"],
 }
+
+filegroup {
+    name: "deviceproductinfoconstants_aidl",
+    srcs: ["aidl/android/hardware/display/IDeviceProductInfoConstants.aidl"],
+    path: "aidl",
+}