apexd: make samegrading of already active apex a no-op

Tests are somewhat subpar, because the activated version is already in
/data/apex/active. We can probably improve them after adding shim apex
to the /system/apex.

Test: apexservice_test
Bug: 128642394
Fixes: 128642394
Change-Id: I5b90e92bdca21378a14150e974c0bd45ac1bc422
2 files changed
tree: 829ac28df0580a52d294c047d4ccea40b7f8d9c1
  1. apexd/
  2. apexer/
  3. proto/
  4. tests/
  5. OWNERS
  6. PREUPLOAD.cfg