Allow preloaded pins to contain report URIs; remove special-case reporting

This CL processes report URIs in preloaded pins and removes special-case code
for reporting pin violations on Google properties
(FraudulentCertificateReporter and its implementation
ChromeFraudulentCertificateReporter), in favor of a preloaded report
URI.

BUG=445793

Review URL: https://codereview.chromium.org/1267383002

Cr-Commit-Position: refs/heads/master@{#342967}
25 files changed