Remove serialNumber parameter from unlockCeStorage

Remove the serialNumber parameter from IStorageManager#unlockCeStorage,
as it is not used.

Bug: 316035110
Test: atest UserControllerTest
Test: atest com.android.server.locksettings
Flag: N/A, mechanical refactoring
Change-Id: Idfb46e625f0ab6915c980e4a39420fe712cb5fb5
5 files changed