add sepolicy rules for Thread network

bug: 257371610
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:0fd52fd521b8167b0ec8836dac3765a16fd6863b)
Merged-In: I2c90639f4baecb010230b3aa60f2f09c0ddd9e4f
Change-Id: I2c90639f4baecb010230b3aa60f2f09c0ddd9e4f
diff --git a/private/file_contexts b/private/file_contexts
index c9c51e4..123e4ed 100644
--- a/private/file_contexts
+++ b/private/file_contexts
@@ -655,6 +655,7 @@
 /data/misc/stats-metadata(/.*)? u:object_r:stats_data_file:s0
 /data/misc/systemkeys(/.*)?     u:object_r:systemkeys_data_file:s0
 /data/misc/textclassifier(/.*)?       u:object_r:textclassifier_data_file:s0
+/data/misc/threadnetwork(/.*)?        u:object_r:threadnetwork_data_file:s0
 /data/misc/train-info(/.*)?     u:object_r:stats_data_file:s0
 /data/misc/user(/.*)?           u:object_r:misc_user_data_file:s0
 /data/misc/virtualizationservice(/.*)? u:object_r:virtualizationservice_data_file:s0