Text recognition doesn't work on Xiaomi

Device model: Xiaomi MI 8 SE
Android version: 10 (MIUI 11.0.3)
Play Store version: 20.4.18
Google Play Services 20.21.17

```
2020-06-23 18:01:02.165 14211-14553/com.google.codelab.mlkit E/Vision: Error loading module com.google.android.gms.vision.ocr optional module true: com.google.android.gms.dynamite.DynamiteModule$LoadingException: No acceptable module found. Local version is 0 and remote version is 0.
2020-06-23 18:01:02.166 14211-14553/com.google.codelab.mlkit W/e.codelab.mlki: Accessing hidden method Lsun/misc/Unsafe;->getObject(Ljava/lang/Object;J)Ljava/lang/Object; (greylist, linking, allowed)
2020-06-23 18:01:02.168 14211-14211/com.google.codelab.mlkit W/System.err: com.google.mlkit.common.MlKitException: Waiting for the text recognition model to be downloaded. Please wait.
2020-06-23 18:01:02.168 14211-14211/com.google.codelab.mlkit W/System.err: at com.google.mlkit.vision.text.internal.zzb.zza(com.google.android.gms:play-services-mlkit-text-recognition@@16.0.0:20)
2020-06-23 18:01:02.168 14211-14211/com.google.codelab.mlkit W/System.err: at com.google.mlkit.vision.text.internal.zzb.run(com.google.android.gms:play-services-mlkit-text-recognition@@16.0.0:51)
2020-06-23 18:01:02.168 14211-14211/com.google.codelab.mlkit W/System.err: at com.google.mlkit.vision.common.internal.MobileVisionBase.zza(com.google.mlkit:vision-common@@16.0.0:23)
2020-06-23 18:01:02.168 14211-14211/com.google.codelab.mlkit W/System.err: at com.google.mlkit.vision.common.internal.zzb.call(Unknown Source:4)
2020-06-23 18:01:02.168 14211-14211/com.google.codelab.mlkit W/System.err: at com.google.mlkit.common.sdkinternal.ModelResource.zza(com.google.mlkit:common@@16.0.0:26)
2020-06-23 18:01:02.168 14211-14211/com.google.codelab.mlkit W/System.err: at com.google.mlkit.common.sdkinternal.zzn.call(Unknown Source:6)
2020-06-23 18:01:02.168 14211-14211/com.google.codelab.mlkit W/System.err: at com.google.mlkit.common.sdkinternal.zzm.run(com.google.mlkit:common@@16.0.0:5)
2020-06-23 18:01:02.168 14211-14211/com.google.codelab.mlkit W/System.err: at com.google.mlkit.common.sdkinternal.zzq.run(com.google.mlkit:common@@16.0.0:3)
2020-06-23 18:01:02.168 14211-14211/com.google.codelab.mlkit W/System.err: at android.os.Handler.handleCallback(Handler.java:883)
2020-06-23 18:01:02.168 14211-14211/com.google.codelab.mlkit W/System.err: at android.os.Handler.dispatchMessage(Handler.java:100)
2020-06-23 18:01:02.169 14211-14211/com.google.codelab.mlkit W/System.err: at com.google.android.gms.internal.mlkit_common.zzb.dispatchMessage(com.google.mlkit:common@@16.0.0:6)
2020-06-23 18:01:02.169 14211-14211/com.google.codelab.mlkit W/System.err: at android.os.Looper.loop(Looper.java:224)
2020-06-23 18:01:02.169 14211-14211/com.google.codelab.mlkit W/System.err: at android.os.HandlerThread.run(HandlerThread.java:67)
```

Non vengono indicati file sorgente o test; inizia esaminando il punto di ingresso del riconoscimento del testo e riproducendo il problema segnalato sulla configurazione Xiaomi MI 8 SE. Usa gli errori di ML Kit e Google Play Services riportati per analizzare la disponibilità del modello e considera completata la issue quando il riconoscimento del testo funziona sulla configurazione indicata oppure viene documentata la limitazione relativa ai dispositivi supportati.

Scritto dal modello di indicizzazione a partire dal testo della issue.