Create SELinux context file for ConfigInfra

Change-Id: Ib403e3346add6ae4e61304acbbd8903c2e400272
Test: m
Bug: 289788889
diff --git a/apex/Android.bp b/apex/Android.bp
index c9c06e3..5b2a75e 100644
--- a/apex/Android.bp
+++ b/apex/Android.bp
@@ -286,3 +286,10 @@
         "com.android.telephonymodules-file_contexts",
     ],
 }
+
+filegroup {
+    name: "com.android.configinfrastructure-file_contexts",
+    srcs: [
+        "com.android.configinfrastructure-file_contexts",
+    ],
+}