Clear auth identity if sim removed while the device is off

TEST: Validated that changing a SIM both when the device is on and when
      it is off results in the correct identity being used when trying
      to authenticate with an EAP-SIM network.
Fixes: 28163651
Change-Id: I3dda95308a527be225a9f70636c727c9826ac939
6 files changed
tree: 2ff7e0d64c8e23d8ade9c0f2e0a10a9cb8264f2f
  1. service/