[tricium] Add string_view to list of C++ headers
[tricium] Add string_view to list of C++ headers

Recipe-Nontrivial-Roll: build
Change-Id: I76c2db161677852b005f2b934ff96f7369844fb4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/1900486
Commit-Queue: Jasper Chapman-Black <919f558a548398152b1a4b3ee0319cb50342b2bb@chromium.org>
Reviewed-by: Quinten Yearsley <747cf52e0cef2e3e9371802a2d344b6c87126a4b@chromium.org>
Reviewed-by: Edward Lesmes <d05609f027dc667cc37492b1dc1bdea5d60fa82a@chromium.org>

CoherentLabs/depot_tools,CoherentLabs/depot_tools