Log when client connects for an unknown device

Summary:
We've seen this happen sometimes, e.g. when adb fails and we aren't showing any android devices, but the sdk still manages to connect.

When we detect this, log an error so we can track how often it occurs.

Reviewed By: passy

Differential Revision: D13175639

fbshipit-source-id: b0f79b77ac04ad804e56448b3696a3ffeb30631e

src/reducers/connections.js

@@ -226,6 +226,16 @@ export default function reducer(
         selectedPlugin = userPreferredPlugin;
       }
 
+      const matchingDeviceForClient = state.devices.filter(
+        device => payload.query.device_id === device.serial,
+      );
+      if (matchingDeviceForClient.length === 0) {
+        console.error(
+          new RecurringError(`Client initialised for non-displayed device`),
+          payload.id,
+        );
+      }
+
       return {
         ...state,
         clients: state.clients.concat(payload),