tree 42fbc2f763c01c6c70580f5fc41f856ca1a090f0
parent b48b0f6575c798641ae491e9b7ad0ad4b2dbaad0
author chen xu <fionaxu@google.com> 1543799199 -0800
committer chen xu <fionaxu@google.com> 1543975138 -0800

support per carrier based iso country code

1. mcc based sim country code is coarse and inaccurate. Apply per carrier
based country code as an override
2. persist country code to simInfo db and notify change through
public API onSubscriptionChangedListener.

Bug: 64775297
Bug: 110559381
Change-Id: I3468dde4be70b9997064dd00864c83ad9bd5a63b
Merged-in: I3468dde4be70b9997064dd00864c83ad9bd5a63b