Deflake apexservice_test

It was flaky due to d-tor of PrepareTestApexForInstall removing
/data/apex/active/com.android.apex.test_package@1.apex before TearDown
had a chance to deactivate test apex. Since we wipe out everything under
/data/apex anyway (although we might need to revisit this, as it makes
tests non-hermetic), PrepareTestApexForInstall now doesn't try to
delete apex from the /data/apex/active directory.

Test: atest apexservice_test
Bug: 146154164
Fixes: 146154164
Change-Id: I7bb6c1ef3263b7a10bc85a487f0e2490de0dd706
Merged-In: I7bb6c1ef3263b7a10bc85a487f0e2490de0dd706
(cherry picked from commit 5bddac0cb67bdc9d7802d69131c0d07461b77701)
1 file changed