Update the KeyMint version to 3

Part of the change to support 2nd IMEI attestation.

Bug: 244732345
Test: atest keystore2_test android.keystore.cts.DeviceOwnerKeyManagementTest
Change-Id: I59544e1e8019869cadeb7b46800c9b519048934c
diff --git a/trusty/keymaster/keymint/TrustyKeyMintDevice.cpp b/trusty/keymaster/keymint/TrustyKeyMintDevice.cpp
index 7d58162..b696ff9 100644
--- a/trusty/keymaster/keymint/TrustyKeyMintDevice.cpp
+++ b/trusty/keymaster/keymint/TrustyKeyMintDevice.cpp
@@ -91,7 +91,7 @@
 }  // namespace
 
 ScopedAStatus TrustyKeyMintDevice::getHardwareInfo(KeyMintHardwareInfo* info) {
-    info->versionNumber = 2;
+    info->versionNumber = 3;
     info->securityLevel = kSecurityLevel;
     info->keyMintName = "TrustyKeyMintDevice";
     info->keyMintAuthorName = "Google";
diff --git a/trusty/keymaster/keymint/service.cpp b/trusty/keymaster/keymint/service.cpp
index 3447b27..14549d2 100644
--- a/trusty/keymaster/keymint/service.cpp
+++ b/trusty/keymaster/keymint/service.cpp
@@ -41,7 +41,7 @@
 
 int main() {
     auto trustyKeymaster = std::make_shared<keymaster::TrustyKeymaster>();
-    int err = trustyKeymaster->Initialize(keymaster::KmVersion::KEYMINT_2);
+    int err = trustyKeymaster->Initialize(keymaster::KmVersion::KEYMINT_3);
     if (err != 0) {
         LOG(FATAL) << "Could not initialize TrustyKeymaster for KeyMint (" << err << ")";
         return -1;