am a0460004: Merge "Ignore NTP time fixes that differ from system time by more than 5 minutes." into eclair

Merge commit 'a0460004aae7576114639393a230f18608d213e6' into eclair-plus-aosp

* commit 'a0460004aae7576114639393a230f18608d213e6':
  Ignore NTP time fixes that differ from system time by more than 5 minutes.