Don't unlock other users if user 0 or parent user does not contain escrow data.

Bug: 324085891
Test: atest CtsResumeOnRebootHostTestCases \
FrameworksServicesTests: RebootEscrowDataTest \
FrameworksServicesTests: LockSettingsServiceTests \
FrameworksServicesTests: RecoverySystemServiceTest \
FrameworksServicesTests: RebootEscrowManagerTests \
FrameworksServicesTests: RebootEscrowProviderServerBasedImplTests
Change-Id: Ibba55830bb3168d312d3f92094d7a266931439e6
3 files changed