Merge "Update BIOMETRIC_ERROR_VENDOR javadoc"

core/java/android/hardware/biometrics/BiometricConstants.java

@@ -86,12 +86,10 @@ public interface BiometricConstants {
     int BIOMETRIC_ERROR_LOCKOUT = 7;
 
     /**
-     * Hardware vendors may extend this list if there are conditions that do not fall under one of
-     * the above categories. Vendors are responsible for providing error strings for these errors.
-     * These messages are typically reserved for internal operations such as enrollment, but may be
-     * used to express vendor errors not otherwise covered. Applications are expected to show the
-     * error message string if they happen, but are advised not to rely on the message id since they
-     * will be device and vendor-specific
+     * OEMs should use this constant if there are conditions that do not fit under any of the other
+     * publicly defined constants, and must provide appropriate strings for these
+     * errors to the {@link BiometricPrompt.AuthenticationCallback#onAuthenticationError(int,
+     * CharSequence)} callback. OEMs should expect that the error message will be shown to users.
      */
     int BIOMETRIC_ERROR_VENDOR = 8;