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/ConfigReaderUtil.h b/surround_view/service-impl/ConfigReaderUtil.h
new file mode 100644
index 0000000..d4bd713
--- /dev/null
+++ b/surround_view/service-impl/ConfigReaderUtil.h
@@ -0,0 +1,65 @@
+/*
+ * 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_CONFIGREADERUTIL_H_
+#define SURROUND_VIEW_SERVICE_IMPL_CONFIGREADERUTIL_H_
+
+#include <tinyxml2.h>
+#include <sstream>
+#include <string>
+
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace sv {
+namespace V1_0 {
+namespace implementation {
+
+// Macro returning false if condition evaluates to false.
+#define RETURN_IF_FALSE(cond) \
+    do {                      \
+        if (!(cond)) {        \
+            return false;     \
+        }                     \
+    } while (0)
+
+// Returns true if element has text.
+bool ElementHasText(const tinyxml2::XMLElement* element);
+
+// Gets a xml element from the parent element, returns false if not found.
+bool GetElement(const tinyxml2::XMLElement* parent, const char* elementName,
+                tinyxml2::XMLElement const** element);
+
+// Reads a boolean value from a element.
+bool ReadValue(const tinyxml2::XMLElement* parent, const char* elementName, bool* value);
+
+// Reads a string value from a element.
+bool ReadValue(const tinyxml2::XMLElement* parent, const char* elementName, std::string* value);
+
+// Reads a float value from a element.
+bool ReadValue(const tinyxml2::XMLElement* parent, const char* elementName, float* value);
+
+// Reads a int value from a element.
+bool ReadValue(const tinyxml2::XMLElement* parent, const char* elementName, int* value);
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace sv
+}  // namespace automotive
+}  // namespace hardware
+}  // namespace android
+
+#endif  // SURROUND_VIEW_SERVICE_IMPL_CONFIGREADERUTIL_H_