MMS: Update database message size info for retrived MMS.

Get the message size value from M-Notification.Ind and
update message size of retrived MMS in db for both
Deferred Retrieval case and Immediate Retrieval case

CRs-fixed: 569584

Change-Id: Ib9395bd335fa0181b3f2df8d53b3b709979d4fb5

Conflicts:
	src/com/android/mms/transaction/NotificationTransaction.java
	src/com/android/mms/transaction/RetrieveTransaction.java