telephony: Set property for custom emergency numbers for display purpose

Set property to configure the custom emergency list that is used for display
purposes only based on MCC.  This property will be read by qcril to append to
its internal list of emergency numbers.

Bug: 7455652
Change-Id: I50394c0e7dc67c96b980ecec45f81fcc2bdb1b7d
Signed-off-by: Iliyan Malchev <malchev@google.com>
1 file changed