NPE in TripDetailsListFragment.findIndexForStop()

[barbeau]

Summary:

From Android Developer Console for v2.0.16 and v2.1.0:

java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference
    at org.onebusaway.android.ui.TripDetailsListFragment.findIndexForStop(TripDetailsListFragment.java:361)
    at org.onebusaway.android.ui.TripDetailsListFragment.setScroller(TripDetailsListFragment.java:713)
    at org.onebusaway.android.ui.TripDetailsListFragment.setTripDetails(TripDetailsListFragment.java:239)
    at org.onebusaway.android.ui.TripDetailsListFragment.access$500(TripDetailsListFragment.java:58)
    at org.onebusaway.android.ui.TripDetailsListFragment$TripDetailsLoaderCallback.onLoadFinished(TripDetailsListFragment.java:427)
    at org.onebusaway.android.ui.TripDetailsListFragment$TripDetailsLoaderCallback.onLoadFinished(TripDetailsListFragment.java:416)
    at android.support.v4.app.LoaderManagerImpl$LoaderInfo.callOnLoadFinished(LoaderManager.java:476)
    at android.support.v4.app.LoaderManagerImpl$LoaderInfo.onLoadComplete(LoaderManager.java:444)
    at android.support.v4.content.Loader.deliverResult(Loader.java:126)
    at org.onebusaway.android.ui.TripDetailsListFragment$TripDetailsLoader.deliverResult(TripDetailsListFragment.java:476)
    at org.onebusaway.android.ui.TripDetailsListFragment$TripDetailsLoader.deliverResult(TripDetailsListFragment.java:449)
    at android.support.v4.content.AsyncTaskLoader.dispatchOnLoadComplete(AsyncTaskLoader.java:249)
    at android.support.v4.content.AsyncTaskLoader$LoadTask.onPostExecute(AsyncTaskLoader.java:77)
    at android.support.v4.content.ModernAsyncTask.finish(ModernAsyncTask.java:466)
    at android.support.v4.content.ModernAsyncTask.access$400(ModernAsyncTask.java:48)
    at android.support.v4.content.ModernAsyncTask$InternalHandler.handleMessage(ModernAsyncTask.java:483)
    at android.os.Handler.dispatchMessage(Handler.java:102)
    at android.os.Looper.loop(Looper.java:145)
    at android.app.ActivityThread.main(ActivityThread.java:5942)
    at java.lang.reflect.Method.invoke(Native Method)
    at java.lang.reflect.Method.invoke(Method.java:372)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1399)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1194)

Steps to reproduce:

Unknown

Expected behavior:

Not crash

Observed behavior:

Crash

Device and Android version:

Droid Turbo (quark) 1   33.3%
LG G4 (p1)  1   33.3%
Galaxy S4 (jfltevzw)    1   33.3%