Bluetooth: add metrics for pairing with devices without names

Bug: 34685932
Test: make, unit test
Change-Id: I486c210790fe72a594d6144dfd17b01a7a4a9003
diff --git a/proto/src/metrics_constants.proto b/proto/src/metrics_constants.proto
index 8e782c0..9fa384a 100644
--- a/proto/src/metrics_constants.proto
+++ b/proto/src/metrics_constants.proto
@@ -4287,6 +4287,11 @@
     // OS: O MR
     APPLICATIONS_STORAGE_PHOTOS = 1092;
 
+    // ACTION: Logged when user tries to pair a Bluetooth device without name from Settings app
+    // CATEGORY: SETTINGS
+    // OS: O MR
+    ACTION_SETTINGS_BLUETOOTH_PAIR_DEVICES_WITHOUT_NAMES = 1093;
+
     // ---- End O-MR1 Constants, all O-MR1 constants go above this line ----
 
     // OPEN: Settings > Network & Internet > Mobile network