am e472146a: Merge "Stored recently fired alerts in SharedPrefs so multiple calendar apps can coexist without eating each other\'s alerts." into ics-ub-calendar-aqua

* commit 'e472146a2a1fa8663455ef396ac23dfd19045f6a':
  Stored recently fired alerts in SharedPrefs so multiple calendar apps can coexist without eating each other's alerts.