Camera: add offline session API skeleton

Test: N/A, no implementation yet
Bug: 135142453
Change-Id: I497e42433d4d49466fe37467d4ff66e8583c55df
diff --git a/services/camera/libcameraservice/common/CameraOfflineSessionBase.cpp b/services/camera/libcameraservice/common/CameraOfflineSessionBase.cpp
new file mode 100644
index 0000000..ff673a9
--- /dev/null
+++ b/services/camera/libcameraservice/common/CameraOfflineSessionBase.cpp
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "CameraOfflineSessionBase.h"
+
+namespace android {
+
+/**
+ * Base class destructors
+ */
+CameraOfflineSessionBase::~CameraOfflineSessionBase() {
+}
+
+} // namespace android