Fix problem of logd restarting.

If logd restarts, then the old logd connection is no longer valid.
In order to keep working, reset the connection when this situation is
detected.

Bug: 276934420

Test: Ran CtsGwpAsanTestCases then killed logd. Verified that
Test: running the test again displays the warning about the logd
Test: connection and all of the tests pass.
Change-Id: I375ee9a2df50b445e21ef847614644ffa2af1f36