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This CL adds
  - site_per_process_components_browsertests
  - site_per_process_components_unittests
  - site_per_process_content_browsertests
  - site_per_process_content_unittests
  - site_per_process_extensions_browsertests
  - site_per_process_extensions_unittests
  - site_per_process_interactive_ui_tests
  - site_per_process_sync_integration_tests

to the Linux Tests and Linux Tests (dbg)(1) builders; this will
also add them to linux_chromium_rel_ng in the CQ. This CL also
removes these tests from the "Linux Site Isolation" builder on
chromium.fyi.

R=jam@chromium.org, creis@chromium.org, jbudorick@chromium.org
BUG=786554

Change-Id: I5b26655138a0120e17a88e1f6aee1ae73cbb8571
Reviewed-on: https://chromium-review.googlesource.com/821554Reviewed-by: John Budorick <jbudorick@chromium.org>
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Reviewed-by: John Abd-El-Malek <jam@chromium.org>
Reviewed-by: Alex Moshchuk <alexmos@chromium.org>
Commit-Queue: Dirk Pranke <dpranke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#524141}