Identical to Chromium's code search builders with the exception
that is_component_build=true is not set, as it doesn't have any
effect on WebRTC builds.
Adding strip_absolute_paths_from_debug_symbols=true to the
minimal_symbols mixin as recently changed in Chromium.
BUG=chromium:699463
NOTRY=True
Review-Url: https://codereview.webrtc.org/2892723002
Cr-Commit-Position: refs/heads/master@{#18192}
8838f13072