Robert Greenwalt d1aca6aa73 Fix ConnectivityManager's handling of apn switch.
It was clearing the interfacename when it was needed later in the process - the prevented us
from clearing the route to private dns servers and clearing the flag that this was set.
Consequently future uses would not set the private dns servers (since it thought they were already
set) and our lookups would fail.

bug: 2146929
2009-09-25 16:43:20 -07:00
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