am 58abda30: Merge change I7bff0de8 into eclair

Merge commit '58abda304eb35137a7c83cf543287690e770116f' into eclair-mr2

* commit '58abda304eb35137a7c83cf543287690e770116f':
  RIO-7671:(Part A MIO fixes) MIO should unregister the observer when the clock is reset.