Add file_contexts for sepolicy mainline module

Test: m com.android.sepolicy
Bug: 202394777
Change-Id: I6d11c693463206632237de1c4042845153fd6415
diff --git a/apex/Android.bp b/apex/Android.bp
index faff4a6..5276cca 100644
--- a/apex/Android.bp
+++ b/apex/Android.bp
@@ -183,6 +183,13 @@
 }
 
 filegroup {
+  name: "com.android.sepolicy-file_contexts",
+  srcs: [
+    "com.android.sepolicy-file_contexts",
+  ],
+}
+
+filegroup {
   name: "com.android.telephony-file_contexts",
   srcs: [
     "com.android.telephony-file_contexts",
diff --git a/apex/com.android.sepolicy-file_contexts b/apex/com.android.sepolicy-file_contexts
new file mode 100644
index 0000000..83b4b58
--- /dev/null
+++ b/apex/com.android.sepolicy-file_contexts
@@ -0,0 +1 @@
+(/.*)?                   u:object_r:system_file:s0