wpa_supplicant(HIDL): EAP Imsi Encryption support

The unncrypted identity is saved to eap.imsi_identity.
The encrypted identity is saved to eap.identity.
Bug: 30988281
Signed-off-by: Ecco Park <eccopark@google.com>

Change-Id: I0bbc8390e39e65d7701df217da9010892a5fa94c
2 files changed