Define EXTRA_CODE_CALL_RETRY_EMERGENCY for emergency CS retry

Silent redial to CS can be occured in case of emergency call or normal
call. And there needs emergency silent redial regarding emergency
number or non-detectable emergency number.
For this case, EXTRA_CODE_CALL_RETRY_EMERGENCY is defined.

Bug: 162775513, 164024664

Signed-off-by: Sungjae <sung_jae.kim@samsung.com>
Change-Id: I79ae8ee9c5246b5480da2394e63d676d971bd2c1
Signed-off-by: Sungjae <sung_jae.kim@samsung.com>