[infer][ondemand] try to load the summary when the procedure description cannot be found
[infer][ondemand] try to load the summary when the procedure description cannot be found

Summary:
In the case of the Buck integration for Java, the summary of the procedure may be found from the classpath even though the procedure description is not available.

Depends on D5027049

Reviewed By: jvillard

Differential Revision: D5027188

fbshipit-source-id: b1a6095

jvillard/infer,blzq/infer,facebook/infer,jvillard/infer,jvillard/infer,blzq/infer,jvillard/infer,ropas/infer,ropas/infer,blzq/infer,facebook/infer,ropas/infer,ropas/infer,jvillard/infer,facebook/infer,facebook/infer,jvillard/infer,facebook/infer,blzq/infer,jvillard/infer,ropas/infer,ropas/infer,blzq/infer,blzq/infer,facebook/infer,facebook/infer