Add SMS Retriever classification support
Adds support for the new `TYPE_SMS_RETRIEVER_OTP` entity. This allows TextClassifier to identify a message as being for the SMS Retriever API by looking up a valid app hash within the text.
Bug: 351976749
Test: atest TextClassifierServiceTest:TextClassifierSmsRetrieverHandlerTest TextClassifierServiceTest:TextClassifierImplTest
Flag: com.android.internal.telephony.flags.redact_otp_sms_api
Change-Id: I327042308196173c74968b108f0c48b10165135d
6 files changed