wifi.proto: Add metrics for radio mode change

Bug: 69117051
Test: Unit tests
Change-Id: Ia3df096a4368cdf1d2c254a4610b204dfb0e3778
diff --git a/proto/src/wifi.proto b/proto/src/wifi.proto
index 0598b16..8fa6b3e 100644
--- a/proto/src/wifi.proto
+++ b/proto/src/wifi.proto
@@ -438,6 +438,18 @@
 
   // Flag which indicates if Connected MAC Randomization is enabled
   optional bool is_mac_randomization_on = 111 [default = false];
+
+  // Number of radio mode changes to MCC (Multi channel concurrency).
+  optional int32 num_radio_mode_change_to_mcc = 112;
+
+  // Number of radio mode changes to SCC (Single channel concurrency).
+  optional int32 num_radio_mode_change_to_scc = 113;
+
+  // Number of radio mode changes to SBS (Single band simultaneous).
+  optional int32 num_radio_mode_change_to_sbs = 114;
+
+  // Number of radio mode changes to DBS (Dual band simultaneous).
+  optional int32 num_radio_mode_change_to_dbs = 115;
 }
 
 // Information that gets logged for every WiFi connection.