[VZW P2P] Add metric for Carrier Roaming NB-IoT NTN module, maxInactivityDurationSec, to track the maximum user inactivity duration of a satellite session.

Bug: 383033991
Test: atest
FLAG: com.android.internal.telephony.flags.carrier_roaming_nb_iot_ntn
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:1bcb3d701e907580c8ff6bd2928f437dfd939bfd)
Merged-In: I29f0bd4ef55606a7cd8109457ec31f06c4da0de9
Change-Id: I29f0bd4ef55606a7cd8109457ec31f06c4da0de9
9 files changed