Keystore 2.0: Fix keymint service name.

Test: Keystore 2 connects to keymint service.
Change-Id: I6ce9b70b65744923a2bc2eb2ab3ed77a612602f1
diff --git a/keystore2/src/security_level.rs b/keystore2/src/security_level.rs
index e7d07e3..9a8c7d9 100644
--- a/keystore2/src/security_level.rs
+++ b/keystore2/src/security_level.rs
@@ -52,7 +52,7 @@
     operation_db: OperationDb,
 }
 
-static KEYMINT_SERVICE_NAME: &str = "android.hardware.keymint.IKeyMintDevice";
+static KEYMINT_SERVICE_NAME: &str = "android.hardware.security.keymint.IKeyMintDevice";
 
 // Blob of 32 zeroes used as empty masking key.
 static ZERO_BLOB_32: &[u8] = &[0; 32];