Make message specific to API level

Author: mattcreaser

aws-auth-cognito/src/main/java/com/amplifyframework/auth/cognito/exceptions/webauthn/WebAuthnNotSupportedException.kt

@@ -19,9 +19,15 @@ package com.amplifyframework.auth.cognito.exceptions.webauthn
  * Exception that is thrown because WebAuthn is not supported on the device. This indicates that either the device
  * did not ship with WebAuthn support, or that your application is missing a required dependency or service.
  */
-class WebAuthnNotSupportedException internal constructor(cause: Throwable?) :
-    WebAuthnFailedException(
-        message = "WebAuthn is not supported on this device",
-        recoverySuggestion = TODO_RECOVERY_SUGGESTION,
-        cause = cause
-    )
+class WebAuthnNotSupportedException internal constructor(
+    message: String,
+    cause: Throwable? = null
+) : WebAuthnFailedException(
+    message = message,
+    recoverySuggestion = TODO_RECOVERY_SUGGESTION,
+    cause = cause
+) {
+    internal constructor(
+        cause: Throwable?
+    ) : this(message = "WebAuthn is not supported on this device", cause = cause)
+}

aws-auth-cognito/src/main/java/com/amplifyframework/auth/cognito/helpers/WebAuthnHelper.kt

@@ -95,7 +95,7 @@ internal class WebAuthnHelper(
                 throw e.toAuthException()
             }
         } else {
-            throw WebAuthnNotSupportedException(cause = null)
+            throw WebAuthnNotSupportedException("Passkeys are only supported on API 28 and above")
         }
     }