[TIF CTS] Fix NEP in TvInputManagerService

In onServiceConnected, userState.serviceStateMap.get(mComponent) returns
null because some components are removed in buildTvInputListLocked.

The service state should not be removed there because:
1. The service may be bound and there may be existing sessions
2. ActivityManager restarts crashed service automatically and it causes
   NPE.

The original issue 204469566 can be resolved by calling
updateServiceConnectionLocked()

Bug: 291759647
Test: atest CtsTvTestCases
Change-Id: Ia7d8b7ce5ea3d2d4d9dcd86ffc1ecfaf2fa6c386