am 6ce24dc1: Force sync to happen if Groups.SHOULD_SYNC is set.

Merge commit '6ce24dc1d53f1ed2760a06cd60c705ebdf666f43' into eclair-plus-aosp

* commit '6ce24dc1d53f1ed2760a06cd60c705ebdf666f43':
  Force sync to happen if Groups.SHOULD_SYNC is set.