Replace abortActiveSession in StagingManager with revertActiveSessions

Bug: 141843321
Test: atest StagedInstallTest
Change-Id: I7fc5397f86f843cfb956364775af6fa5369037ba
Merged-In: I7fc5397f86f843cfb956364775af6fa5369037ba
(cherry picked from commit 1a96eb6dc37f491f76785e18c82b27fec7242685)
3 files changed