Added D-Bus constants used by arc-oemcrypto.

This is to use with the D-Bus service in:
https://chrome-internal-review.googlesource.com/c/407752

BUG=b:62576653
TEST=none

Change-Id: Iaa612f1f7400a68c54a915c1ae3408838f520464
Reviewed-on: https://chromium-review.googlesource.com/609080
Commit-Ready: Jeffrey Kardatzke <jkardatzke@google.com>
Tested-by: Jeffrey Kardatzke <jkardatzke@google.com>
Reviewed-by: Dan Erat <derat@chromium.org>
Reviewed-by: Jeffrey Kardatzke <jkardatzke@google.com>
diff --git a/dbus/service_constants.h b/dbus/service_constants.h
index 7ba4477..456bc1c 100644
--- a/dbus/service_constants.h
+++ b/dbus/service_constants.h
@@ -1011,4 +1011,12 @@
 const char kUnwrapSecureMessageMethod[] = "UnwrapSecureMessage";
 }  // namespace easy_unlock
 
+namespace arc_oemcrypto {
+const char kArcOemCryptoServiceInterface[] = "org.chromium.ArcOemCrypto";
+const char kArcOemCryptoServiceName[] = "org.chromium.ArcOemCrypto";
+const char kArcOemCryptoServicePath[] = "/org/chromium/ArcOemCrypto";
+// Methods
+const char kBootstrapMojoConnection[] = "BootstrapMojoConnection";
+}  // namespace arc_oemcrypto
+
 #endif  // SYSTEM_API_DBUS_SERVICE_CONSTANTS_H_