Apply the fix for 8-bit decoding error to only 3gpp messages am: 9883f7eb am: 902a7e45

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/20889245



Change-Id: Ia10b61b93aa94a7796b83675366d01ef5fd807c5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>