Send SMS using RIL_REQUEST_SEND_SMS_EXPECT_MORE

1) New commandinterface API sendSMSExpectMore to send sms using
   ril request RIL_REQUEST_SEND_SMS_EXPECT_MORE.
2) sendSMSExpectMore API to send multisegment sms pdu's except
   last pdu in GSM. In case of retry use sendSms even for
   multi segment message, because we don't know how many
   segments are failed to send.

Change-Id: I75efd9bd90cefb7c3dbbc50c0ebc0ac709d9e908
CRs-fixed: 498301
(cherry picked from commit 24fb0ce22d33d1bd97fadfb5f4888f59a00e03d1)
(cherry picked from commit fc034e71f30023ae28ceaec167f0b78f770e5fa6)
(cherry picked from commit c12be966283069eb94934f51c685888c7dff7838)