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Some products do not register with WMI or Security Center. Add a
"best effort" attempt to enumerate these and add them to the
system profile, starting with IBM/Trusteer Rapport Endpoint Security.

BUG=615154
TEST=manual - see https://docs.google.com/document/d/1DNWXftKWmC76987dN8-d0v7mwPz40SrJzl6KxUNjwlY/edit

Review-Url: https://codereview.chromium.org/2578453002
Cr-Commit-Position: refs/heads/master@{#438641}