Finalize typesystem only when top level aggregate is ready
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                 Key: UIMA-1712
                 URL: https://issues.apache.org/jira/browse/UIMA-1712
             Project: UIMA
          Issue Type: Bug
          Components: Async Scaleout
            Reporter: Eddie Epstein
            Assignee: Eddie Epstein


a UIMA AS service will finalize its typesystem incorrectly if
 1. it is an AS-async-aggregate containing a colocated delegate which is itself 
an async aggregate, AND
 2. the colocated async aggregate finishes initialization before one of the 
other top level delegates, AND
 3. the late top level delegate has new types or new type priorities.

This can result in initialization errors if a type priority or AE 
initialization method references a missing 
type or feature, or an exception later in process() doing the same.

The bug is caused because the typesystem is finalized when *any* colocated 
async aggregate finishes
initialization.

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