message: Make iconResumed optional
diff: <param name="systemSoftwareVersion" type="String" maxlength="100" mandatory="false" platform="documentation">
  <description>The software version of the system that implements the SmartDeviceLink core.</description>
  </param>
  - <param name="iconResumed" type="Boolean" mandatory="true">
  + <param name="iconResumed" type="Boolean" mandatory="false">
  <description>Existence of apps icon at system. If true, apps icon
  was resumed at system. If false, apps icon is not resumed at system</description>
  </param>
  