Fix PhoneAccounts order during MO call.

In case of Phone account re-registration in Telecomm,
old account was getting removed and updated account
was getting appended. So, the order of PhoneAccount
was getting changed.
When applications are querying for PhoneAccounts,
sort the accounts according to slot id.

Change-Id: I268d2250cc9bcd1a5e9eb8be99dcb23e2bcceadc
CRs-Fixed: 1014687
1 file changed