Add support for Mutators

Add Mutators, which can be used to split a module into multiple
variants.

Change-Id: Ib992da2e93a557559a3a34571d5033192e129e49
2 files changed
tree: c3d27e91ef84e68830f5866258fc5d1b402ce6d4
  1. blueprint/
  2. Blueprints
  3. bootstrap.bash
  4. build.ninja.in