Return true from checkSubscriptionAssociatedWithUser if subId is not

present on the device.

Bug: 277184941
Test: atest CtsTelephonyTestCases
      atest MmsTest#testSendMmsMessageWithInactiveSubscriptionId
      Flashed build on raven-userdebug: call/SMS/MMS are working fine.

Change-Id: Ic1a5abdb42ea184925c41210b3f4b628df5f94ec