Bluetooth: Add event_value to BluetoothClassicPairingEventReported

* Add an event_value field to log status value such as
 - encryption enabled state
 - simple pairing mode
 - secure connection host support
 - delete all flag

Bug: 128966402
Test: make
Change-Id: I512b7a1a7fba73ea30bca028566d43d353c56613
diff --git a/cmds/statsd/src/atoms.proto b/cmds/statsd/src/atoms.proto
index 47eccdb..2a9f248 100644
--- a/cmds/statsd/src/atoms.proto
+++ b/cmds/statsd/src/atoms.proto
@@ -1714,6 +1714,9 @@
     // HCI reason code associated with this event
     // Default: STATUS_UNKNOWN
     optional android.bluetooth.hci.StatusEnum reason_code = 6;
+    // A status value related to this specific event
+    // Default: 0
+    optional int64 event_value = 7;
 }
 
 /**