In the case that no SIM phone account is available for emergency, pick the...

In the case that no SIM phone account is available for emergency, pick the non-sim phone account for emergency

Bug:123505743
Test: adb shell setprop ril.ecclist 911,122,*911,#911,411
And then manual test when there is no-sim subscription phone account, the
phone account indicating emergency capability is chosen for 411 ecall.

Change-Id: I087e98d0948714d2d06435de604901d18af1b912
(cherry picked from commit 385c8bc69655f8370e773f7b485233790e661459)