apexd: Delete previous active versions of packages during stagePackages

After this change a rollback request from RollbackManager can be treated
as a regular staged install.

Test: apexapexservice_test, apex_e2e_tests
Bug: 122339211
Change-Id: Iba8359c25d195a1ca3bcc7a4d213a263a26b5e57
2 files changed
tree: 800fa37f7c551f54e81979eb761d4c7e58ed8e0d
  1. apexd/
  2. apexer/
  3. proto/
  4. tests/
  5. OWNERS
  6. PREUPLOAD.cfg
  7. TEST_MAPPING