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* Most templates use a hard-coded list of build_utils.py deps.
* A few use exec_script() when compute_inputs_for_analyze = true.

Bug: 843562
Change-Id: I0bb1ca7927f7366d23c23b8beb56d39a22208a06
Reviewed-on: https://chromium-review.googlesource.com/1114122
Commit-Queue: agrieve <agrieve@chromium.org>
Reviewed-by: Eric Stevenson <estevenson@chromium.org>
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#570811}