Fixed data race in CameraEventsDispatchHandler #822
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Fixed data race in
CameraEventsDispatchHandlerwhere callback methods accessedhandlerswithout synchronization whileregisterHandler/unregisterHandlerwere@SynchronizedReplaced
mutableSetOfwithCopyOnWriteArraySetfor thread-safe iterationConsidered
val handlersCopy = synchronized(handlers) { handlers.toMutableSet() }butCopyOnWriteArraySetis cleaner and more efficient for this use case (infrequent writes, concurrent reads).