MAP Client support incomming MMS

Add support for incomming MMS messages by leveraging the already
existing parser.

Bug: 119750641
Test: atest MapClientStateMachineTest
Change-Id: Iad3806e39fa11b520f7bcc3b33426f0a65779530
(cherry picked from commit f3965e7d943daa79e2868c4c27f0bda3c59ad051)

Merged-In: Iad3806e39fa11b520f7bcc3b33426f0a65779530
Change-Id: I54d1399350a5e3d89f51625dde101a1cc9129c06
1 file changed