Merge changes I3ec2bc0b,I87eae110 into cuttlefish-testing

* changes:
  Avoid unnecessary error messages from hwcomposer under crosvm
  Don't configure input in crosvm when running without frontend
tree: e07c0b51a1b53004877e3c830f6df64365269097
  1. common/
  2. guest/
  3. host/
  4. tests/
  5. tools/
  6. Android.bp
  7. Android.mk
  8. OWNERS
  9. TEST_MAPPING