Enable libbase logging for whole stack

Currently, only C++ code in the service/ folder can use libbase logging.
This patch makes sure that logging can be used and is properly
configured for usage when the stack is running as part of Bluetooth.apk.

Bug: 31806042
Change-Id: I1f8be79ba9999b53ece0b5217a893b4bd20ecafc
diff --git a/main/main_int.h b/main/main_int.h
new file mode 100644
index 0000000..dc821bc
--- /dev/null
+++ b/main/main_int.h
@@ -0,0 +1,35 @@
+/******************************************************************************
+ *
+ *  Copyright (C) 2016 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 MAIN_INT_H
+#define MAIN_INT_H
+
+#include "osi/include/config.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Initiates the logging for C++ */
+void init_cpp_logging(config_t *config);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // MAIN_INT_H
\ No newline at end of file