[Satellite MMS Support] Fix sending mms over Iwlan during non terrestrial network

- consider satellite pdu size limit check only when mms associated network
  transport is satellite. Ignore satellite pdu size limit check when mms
  associated network transport is cellular.

Bug: 335293419
Test: Basic test @ b/335293419#comment8
Test: Device test @ b/335293419#comment13
Flag: ACONFIG com.android.internal.telephony.flags.satellite_internet nextFood
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:d0208d49bccfb3ab768a82e214d01957cf4790f0)
Merged-In: Ie919c5af447b70eac72b8a9ffd57ebb5a40ddb34
Change-Id: Ie919c5af447b70eac72b8a9ffd57ebb5a40ddb34
2 files changed