Revert "Revert "Increase retention period of staged sessions""

This reverts commit 0f003307.

Reason for revert: Updated failing test to handle updated retention period

Bug: 208825408
Bug: 212545980
Test: atest
com.android.cts_root.rollback.host.RollbackManagerHostTest#testExpireSession
Test: atest CtsRootPackageInstallerHostTestCases

Change-Id: I5745d860ba18bb5aa886c1d13733cd722669ab69