Launch Emergency Call on Speed Dialing key 9.

Invoke an emergency Call When Speed Dialling Key 9.
Since Key 9 is assigned to Emergency Call, Speed
Dial number can not be saved for this key by user.

Speed Dialing Key is configurable to any Key and
default key has been set to 9.

Change-Id: I491ff8dd8d06a54aa92740f7307a41fe96bb7d7b
CRs-Fixed: 1080282