Android App/.idea/deploymentTargetSelector.xml

<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
  <component name="deploymentTargetSelector">
    <selectionStates>
      <SelectionState runConfigName="app">
        <option name="selectionMode" value="DROPDOWN" />
      </SelectionState>
    </selectionStates>
  </component>
</project>