Revert "installd: Fix set dex2oat to background after boot_complete"

This reverts commit c919183ba4fafcf2e92f6f62d25ee930f62bb0bb.

Reason for revert: Potential culprit of  DeviceBootTest.DeviceBootTest#SELinuxUncheckedDenialBootTest

Change-Id: I17b601364308bcf074cc2f2390f51e099c338765
1 file changed