Add is_country_code_world_mode in P2P atom

Bug: 194699451
Test: atest WifiP2pMetricsTest
Change-Id: I96c27be10ae9997e1e65112f4daca3c118679bc2
Merged-In: I96c27be10ae9997e1e65112f4daca3c118679bc2
(cherry picked from commit ac57978b26857de7cf04ee6f4fdf9237d864181e)
diff --git a/stats/atoms.proto b/stats/atoms.proto
index 8219bfa..5e06676 100644
--- a/stats/atoms.proto
+++ b/stats/atoms.proto
@@ -1531,6 +1531,8 @@
     optional int32 sta_frequency_mhz = 8;
     // The uid of the app that initiates the connection.
     optional int32 uid = 9 [(is_uid) = true];
+    // if the country code is in the world mode
+    optional bool is_country_code_world_mode = 10;
 }
 
 /**