Application running for a long time, tokenMap does not release memory

[baneyue]

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• Bug exists Release
  implementation 'org.eclipse.paho:org.eclipse.paho.client.mqttv3:1.2.5'
  implementation 'org.eclipse.paho:org.eclipse.paho.android.service:1.1.1'

The objects in tokenMap are increasing and will not be released or leak