S/O post with an updated solution to this issue: http://stackoverflow.com/questions/38466080/dp5-7-0-does-adding-extras-to-a-pending-intent-fail/39257883#39257883
Closed issue on the tracker: https://code.google.com/p/android/issues/detail?id=216581&thanks=216581&ts=1468962325
Running the code in this project will enable the developer to analyze the logs and see that a Parceled extra combined with a long value in an intent within PendingIntent will not be correctly unmarshalled upon receit in the Broadcast Receiver (AlarmManagerUtil.java) only in Android N (Developer Preview)
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