Add missing continuation offset check for SDP continuation requests

Bug: 63146698
Test: External script
Change-Id: Iea52f1689dc12bfe0d4b57996f17db4bc3bd5983
Merged-In: Iea52f1689dc12bfe0d4b57996f17db4bc3bd5983
(cherry picked from commit e776c834768bedd043ace7e5714390b61c96a248)
(cherry picked from commit 10ce685cb025f6854be4ecc5329f2f684fd9ea5d)
(cherry picked from commit 3488364721ec066a03af14076bd312d27173115d)
1 file changed