Initialize base::TestTimeouts in media_pipeline_integration_fuzzer.

The PipelineIntegrationTestBase uses ScopedTaskEnvironment internally,
which now requires that TestTimeouts were Initialize()d for the process.

TBR=xhwang

Bug: 920111, 918724
Change-Id: Idbf0197eb160fe8af2195f50e2e3da58f25a17a5
Reviewed-on: https://chromium-review.googlesource.com/c/1403186
Reviewed-by: Wez <wez@chromium.org>
Commit-Queue: Wez <wez@chromium.org>
Cr-Commit-Position: refs/heads/master@{#621247}
2 files changed