Update changelog for fixing CME on Android 8 passive scan start
+### Development
+
+Buf Fixes:
+ - Fix ConcurrentModificationException crashing app on Android 8 when monitored regions are
+ changed at the same time the app shifts from active scanning to passive scanning.
+ (#578, David G. Young)
+
### 2.12.2 / 2017-08-31
[Full Changelog](https://github.com/AltBeacon/android-beacon-library/compare/2.12.1...2.12.2)
