Blacklist types and sources related to libclearkeycdm.so.
Blacklist types and sources related to libclearkeycdm.so.

This should green the CFI buildbot.

BUG=chromium:557969

Review URL: https://codereview.chromium.org/1461583004

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#360462}

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk