notifications.xml

<application>
  <component name="NotificationConfiguration">
    <notification groupId="Android XML code style notification" displayType="NONE" shouldLog="false" />
    <notification groupId="Build sync orphan modules" displayType="NONE" shouldLog="false" />
    <notification groupId="Gradle Notification Group" displayType="NONE" shouldLog="false" />
    <notification groupId="Keymap" displayType="NONE" />
  </component>
</application>