Fix a bug where the legacy extra info is reset on connect.

Bug: 149459996
Test: NetworkAgentTest FrameworksNetTests FrameworksWifiTests FrameworksTelephonyTests

Change-Id: I3e437f0fe2eb28f1d621551a8daf164a06af83fc
Merged-In: I3e437f0fe2eb28f1d621551a8daf164a06af83fc
(cherry picked from commit a3fdb94a32eda40e322b7dbdaf3fad9b42bfbbb9, originally aosp/1277602)
1 file changed