Ringtone: Add the default ringtone for multi SIMs

The default ringtone is just set for SIM1 at initilization,
so to support multi SIMs ringtones, add the corresponding
configs in Settings provider also.

CRs-fixed: 538916

Change-Id: I11ed845fbd815fd4acd85baf1772218ef971b5f1
Message priority support for 3gpp2

Add support for message priority in 3gpp2
Add new interface API's sendTextMsgWithOptions and
sendMultipartTextMsgWithOptions

Change-Id: I1bf5752eaf8b1acf19fe330d7f409214ee97d3cf
Add support for IP call prefix

Append the user configured IP prefix ahead of the calling number
in case of calling via IP.

CRs-Fixed: 516042

Change-Id: Idf73f06c7030df4124f737433839efddcd089c23
Update for IP call prefix

Get IPCALL_PREFIX number from database instead of string IP_CALL_PREFIX.

Change-Id: Ic1a214a4cc5dee92081f252b5fd00605f9c3606b
Mms: Add configuration for sending and receiving Mms with data disabled

Use framework resource to config the feature that sending and receiving
Mms when data disabled.

Change-Id: I96362a66aea228afd3033cdf9343468a6d3ffa83

Conflicts:
	core/res/res/values/config.xml
	core/res/res/values/symbols.xml
Telephony: Add 7bit Ascii support for long messages

Add config item for 7bit Ascii encoding and decoding
support for long messages

Change-Id: I54080a5c63fd2dc470f38edeffbe58729c22adf9

Conflicts:
	core/res/res/values/config.xml
Add config for the expire age of partial segment messages

Set the value to 30 days based on default value in code,
then it could be customized via res overlay mechanism.

Change-Id: Ia219aa59dd009d831abb03b5921763ade38f0c50

Conflicts:
	core/res/res/values/config.xml
	core/res/res/values/symbols.xml