generalize -t option to add and remove tags in fingerprints

To support devphone and holiday builds we need more control over the
build fingerprint tags; generalize the -t option so we can arbitrarily
add and remove tags.
1 file changed
tree: 830580ab555cdf2ed0232a51d4e995f6f67b0f6e
  1. core/
  2. libs/
  3. target/
  4. tools/
  5. buildspec.mk.default
  6. cleanspec.mk
  7. envsetup.sh