Add Mix 2 to disable hw acceleration

Signed-off-by: Mario Danic <mario@lovelyhq.com>

app/src/main/java/com/nextcloud/talk/webrtc/MagicWebRTCUtils.java

@@ -79,6 +79,7 @@ public class MagicWebRTCUtils {
         add("GT-N8013"); // Samsung Galaxy Note 10.1
         add("SM-G930F"); // Samsung Galaxy S7
         add("AGS-W09"); // Huawei MediaPad T3 10
+        add("MIX 2"); // Xiaomi Mi Mix 2
     }};
 
     private static Set<String> HARDWARE_ACCELERATION_VENDOR_BLACKLIST = new HashSet<String>() {{