Use mWifiInfo to refresh Internet Tile when APM is enabled.

Since Android T QPR1, Wifi can now remain on when entering airplane mode. So the Interent tile will show different information depending on whether WiFi is enabled or not. On the other hand, Cellular will always be disabled whenever APM is enabled.

Bug: 259007266
Test: unit tests, manual tests
      atest -c com.android.systemui.qs.tiles.InternetTileTest

Change-Id: Ie47a687dec90dee307dddbbe35e07a1887a3db55