WindowManager$BadTokenException in autoShowWhatsNew()

[barbeau]

Summary:

From v2.3.8 release (and earlier releases too - approximately 300 reports over lifetime of application) via Android Developer Console:

android.view.WindowManager$BadTokenException: 
  at android.view.ViewRootImpl.setView (ViewRootImpl.java:697)
  at android.view.WindowManagerGlobal.addView (WindowManagerGlobal.java:342)
  at android.view.WindowManagerImpl.addView (WindowManagerImpl.java:93)
  at android.app.Dialog.show (Dialog.java:328)
  at android.app.Activity.showDialog (Activity.java:3756)
  at android.app.Activity.showDialog (Activity.java:3705)
  at org.onebusaway.android.ui.HomeActivity.autoShowWhatsNew (HomeActivity.java:1104)
  at org.onebusaway.android.ui.HomeActivity.onRegionTaskFinished (HomeActivity.java:1491)
  at org.onebusaway.android.region.ObaRegionsTask$2.run (ObaRegionsTask.java:268)
  at android.os.Handler.handleCallback (Handler.java:751)
  at android.os.Handler.dispatchMessage (Handler.java:95)
  at android.os.Looper.loop (Looper.java:154)
  at android.app.ActivityThread.main (ActivityThread.java:6196)
  at java.lang.reflect.Method.invoke (Native Method)
  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run (ZygoteInit.java:888)
  at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:778)

See https://stackoverflow.com/a/18665887/937715 for details.

Steps to reproduce:

Unknown

Expected behavior:

Not crash

Observed behavior:

Crash

Device and Android version:

Mix of devices from Pixel to Galaxy S7, Android 7.0 to Android 8.0