Baseline: d08bb13369d840af35a26b5e38b3d0adb896fd29

Important changes:

  - `--compile_one_dependency` selects header-only `cc_library`s in
    more cases

This release contains contributions from many people at Google, as well as Cornelius Riemenschneider, Fabian Meumertzheim, Keith Smiley, M. Taimoor Zaeem.