Fix SecurityException when need permissions for AccessibilityServicesTest

Root cause: The userId variable was accidentally overwritten after a previous refactoring, causing UserManager.getProfileIdsWithDisabled() to be called on the wrong user.
Solution: We should getPermittedAccessibilityServicesForUser when
permittedAccessiblityServices are set.

Bug: 274071129
Test: atest CtsDevicePolicyTestCases
Change-Id: I2a89cc0b8def27797a5be42b599325bafb5f5f2c
1 file changed