logwrapper: split into liblogwrap and the executable itself

Abstracting the functionality of logwrapper into a library and making
use of it for the logwrapper executable.

Change-Id: I2bcf722413f3a8454c6f52137dec86c4477fb8b5
diff --git a/logwrapper/include/logwrap/logwrap.h b/logwrapper/include/logwrap/logwrap.h
new file mode 100644
index 0000000..a58f238
--- /dev/null
+++ b/logwrapper/include/logwrap/logwrap.h
@@ -0,0 +1,27 @@
+/* system/core/include/logwrap/logwrap.h
+ *
+ * Copyright 2013, 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 __LIBS_LOGWRAP_H
+#define __LIBS_LOGWRAP_H
+
+__BEGIN_DECLS
+
+int logwrap(int argc, char* argv[], int *chld_sts);
+
+__END_DECLS
+
+#endif /* __LIBS_LOGWRAP_H */