Better enforces that only one DisplayPort poll thread should be active at once. If a new call to setup is made from additional bind uevents before a disconnect occurs, tells the old thread to shutdown and awaits signaling before a new worker thread spins up. Test: manual testing on device Bug: 286593610 Change-Id: I1707970c500915fd4abb161d0b3a424bbb2bddca |
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