Revert "StagedInstallTest: do not use /data/apex/active"

Revert submission 34694556-apexinfo.isfactory

Reason for revert: Droidmonitor initiated the revert due to http://b/437851540 - verifying through ABTD before submission. 

Fix: 437851540

Reverted changes: /q/submissionid:34694556-apexinfo.isfactory

Change-Id: Ica204dfee4247690b837226b08ac85f5421418eb
3 files changed