Merge "Skip RAT type listener registration if IMSI is not available" am: 1e9c48bfec

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1409907

Change-Id: Ie24dee18456ee0741dbcd9330664398f0492c644
tree: 9fa5887595acae50ff0412b82bdd82269ccb20ea
  1. core/
  2. services/
  3. tests/