Merge from Widevine repo of http://go/wvgerrit/131308
These tests will be released on the sc-widevine-release branch, but
not as part of the initial Android S release.
Change-Id: I6dae85fe72c6d09759e43c5e40bbc0776b57b089
Merge from Widevine repo of http://go/wvgerrit/123803
Update fuzz build script to use gyp from third_party folder.
Test: ran fuzz tests on luci
bug: 186271314
bug: 184866351
Change-Id: If530872aa1e60d2108932610415aa5315979390c