Copy in new common.mk

BUG=chromium:304400
TEST=cros_run_unit_tests for daisy-drm, lumpy & amd64-corei7

Change-Id: I017274495c0d9893301a1d7887456651c36d2525
Reviewed-on: https://chromium-review.googlesource.com/174081
Tested-by: Albert Chaulk <[email protected]>
Reviewed-by: Mike Frysinger <[email protected]>
1 file changed