Simplify the dialog's action process
Don't return the parent process within itself, remove half-second wait, and split dialog-closing into its own step.
Also use existing WindowManager rather than creating a new one.
Bug: T319463
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Don't return the parent process within itself, remove half-second wait, and split dialog-closing into its own step.
Also use existing WindowManager rather than creating a new one.
Bug: T319463