Kazuhiro Ondo 3bed4c9f50 Fix FeatureUser leak in ConnectivityService
In case infinite restoral timer is used for a network feature,
FeatureUser could be keep added but never released if a user
is keep calling "startUsingNetworkFeature".

This patch will add duplication check when adding a FeatureUser
into the list in case infinite restoral timer is used.

Bug: 5043513
Change-Id: I47e7076e217f201454fae33ce596ecdc63cf7908
2011-07-19 12:02:01 -07:00
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