Software keymaster attestations return 3 as keymaster version

Bug: 67358942
Bug: 67359348
Test: VtsHalKeymasterV3_0TargetTest
Change-Id: Ia04a55b407343ddddd4467c401ee2556e8fe9bd9
diff --git a/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp b/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp
index 777099a..02e238a 100644
--- a/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp
+++ b/keymaster/3.0/vts/functional/keymaster_hidl_hal_test.cpp
@@ -993,8 +993,8 @@
                                    HidlBuf(app_id));
 
     if (!KeymasterHidlTest::IsSecure()) {
-        // SW is KM2
-        EXPECT_EQ(att_keymaster_version, 2U);
+        // SW is KM3
+        EXPECT_EQ(att_keymaster_version, 3U);
     }
 
     if (KeymasterHidlTest::SupportsSymmetric()) {