Add metric logging to PIN recovery flow.

Including:
   SettingsEnums.ACTION_SUPERVISION_FORGOT_PIN_DURING_PIN_INVOCATION: Logged when the user clicks on "Forgot PIN" button in the PIN invocation.
   SettingsEnums.ACTION_SUPERVISION_PIN_RESET_SUCCEED: Logged after reset PIN activity, to know if the PIN recovery was successful.

Bug: 415118265
Test: SupervisionPinRecoveryActivityTest
Flag: EXEMPT unused code
Change-Id: I2c5a786a241b72a4c62050569a72131f82eaaec7