[Settings] eSIM existance detection rule change

1. eSIM retrieved from SubscriptionManager#getAvailableSubscriptionInfoList()
should be considered as existed all the time.

2. When SIM are both inactive(or active), sorted the ordering based on ordering provided by telephony framework.

Bug: 195090132
Bug: 195091953
Bug: 194197762
Test: local
Change-Id: I2fe43a35e5b7965bde3b579e2297e9cdd89ec228
(cherry picked from commit 848d097b)
(cherry picked from commit 824deb0ee3727f23ab68a75176825c4c73f482a9)