Add instance type to metadata to differentiate personal or managed profiles.

PiperOrigin-RevId: 538524943

internal/proto/metadata.proto

@@ -57,6 +57,9 @@ message Metadata {
 
   // The Bluetooth MAC address of the device.
   bytes bluetooth_mac_address = 6;
+
+  // The instance type (user profile) related to the metadata.
+  InstanceType instance_type = 7;
 }
 
 // The type of the device.
@@ -89,3 +92,19 @@ enum DeviceType {
   // The device is a foldable.
   DEVICE_TYPE_FOLDABLE = 8;
 }
+
+// The instance type of the metadata.
+// LINT.IfChange
+enum InstanceType {
+  // Unknown instance type.
+  INSTANCE_TYPE_UNKNOWN = 0;
+
+  // The metadata is associated with the main instance. (Usually
+  // first-registered personal profile.)
+  INSTANCE_TYPE_MAIN = 1;
+
+  // The metadata is associated with a secondary instance, such as a working
+  // profile.
+  INSTANCE_TYPE_SECONDARY = 2;
+}
+// LINT.ThenChange(//depot/google3/java/com/google/android/gmscore/integ/client/nearby/src/com/google/android/gms/nearby/connection/Device.java)