Adds ConfigReader + CarModelConfigReader + IOModule

- Contain both config readers
- Note this cl adds changes from ag/11835330
- Adds IO Module impl.

Bug: b/158480203
Test: atest io_module_tests
Change-Id: I66cf7c490be8f4833397741810d48266bf9c2c88
diff --git a/surround_view/service-impl/IOModule.h b/surround_view/service-impl/IOModule.h
new file mode 100644
index 0000000..2e19dc5
--- /dev/null
+++ b/surround_view/service-impl/IOModule.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2020 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.
+ */
+#ifndef SURROUND_VIEW_SERVICE_IMPL_IOMODULE_H_
+#define SURROUND_VIEW_SERVICE_IMPL_IOMODULE_H_
+
+#include "IOModuleCommon.h"
+
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace sv {
+namespace V1_0 {
+namespace implementation {
+
+// I/O Module class processing all I/O related operations.
+class IOModule {
+public:
+    // Constructor with file name( and path) of config file.
+    IOModule(const std::string& svConfigFile);
+
+    // Reads all config files and stores parsed results in mIOModuleConfig.
+    IOStatus initialize();
+
+    // Gets config data read from files. initialize must be called this.
+    bool getConfig(IOModuleConfig* ioModuleConfig);
+
+private:
+    // Config string filename.
+    std::string mSvConfigFile;
+
+    // Indicates initialize success/fail.
+    bool mIsInitialized;
+
+    // Stores the parsed config.
+    IOModuleConfig mIOModuleConfig;
+};
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace sv
+}  // namespace automotive
+}  // namespace hardware
+}  // namespace android
+#endif  // SURROUND_VIEW_SERVICE_IMPL_IOMODULE_H_