[NTN][VZW P2P] Account for all cases in DatagramDispatcher to allow Check messages to be sent even if the device is in NOT_CONNECTED state.

Bug: 380927601
Test: atest
FLAG: com.android.internal.telephony.flags.carrier_roaming_nb_iot_ntn
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:72b20dd5b8161abcbfb65de466a51ede486dc149)
Merged-In: Idefea836e3b0a01a19d364dfcf9ab448ec345ffe
Change-Id: Idefea836e3b0a01a19d364dfcf9ab448ec345ffe
2 files changed