Target the "absl" component for component builds.
Target the "absl" component for component builds.

When performing a component build, we need to make sure our targets are
accessing abseil from the component when is_component_build=true.

Bug: chromium:1134776
Change-Id: Iaf5ee7176b4b8d84b3bafeaa259e476062a1e1dc
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2461454
Reviewed-by: Jamie Madill <7e492b4f1c8458024932de3ba475cbf015424c30@chromium.org>
Commit-Queue: Tim Van Patten <c7814369a8d3d5671c484acc7b3215f1bf4221be@google.com>

ppy/angle,ppy/angle,ppy/angle,ppy/angle