Create SELinux context file for ConfigInfra

Change-Id: Ib403e3346add6ae4e61304acbbd8903c2e400272
Test: m
Bug: 289788889
diff --git a/apex/com.android.configinfrastructure-file_contexts b/apex/com.android.configinfrastructure-file_contexts
new file mode 100644
index 0000000..23e7b89
--- /dev/null
+++ b/apex/com.android.configinfrastructure-file_contexts
@@ -0,0 +1 @@
+(/.*)?                   u:object_r:system_file:s0
\ No newline at end of file