[Encrypted IMSI] Add support for EAP Method prefix

Add support for EAP method prefix in the anonymous identity
used during EAP-SIM/AKA/AKA' authentication when encrypted IMSI
is used. Added a new boolean field enable_eap_method_prefix_bool
in CarrierConfig, set to False as default.

Bug: 142915637
Test: atest TelephonyUtilTest

Change-Id: I29d4302a684857b5c4de984b8a3e7f222c0b9ebc
2 files changed
tree: a316c4c7c785fcb1710993c5401cff4493ad3253
  1. apex/
  2. service/
  3. PREUPLOAD.cfg