[FSD2D] Make adjustments to restore flow

1. Pass operationType during restore-at-install
2. Update restore eligiblity checks

Bug: 160407842
Test: atest BackupEligibilityRulesTest PerformUnifiedRestoreTaskTest
      UserBackupManagerServiceTest TarBackupReaderTest

Change-Id: I2def0124501b2124f827981e80ffda5ae4d109fe