Preprocessing Teleservice Id 0xFDEA SMS WAP

The SMS WAP specified Teleservice Id 0xFDEA requires an additional
header parsing to extract new Message Identifier and new User Data from
WDP SMS User Data.

Test: MT MMS in China Telecom N/W and atest CdmaSmsTest

Change-Id: I97f357ffc5fda1b38db0388d0cd46e29ed7d2537
Signed-off-by: Taesu Lee <taesu82.lee@samsung.com>