File header cleanup.

 * sysdeps.h should always be included first.
 * TRACE_TAG needs to be defined before anything is included.
 * Some files were missing copyright headers.
 * Save precious bytes on my SSD by removing useless whitespace.

Change-Id: I88980e6e00b5be1093806cf286740d9e4a033b94
diff --git a/adb/adb_auth.h b/adb/adb_auth.h
index e0425ad..635556e 100644
--- a/adb/adb_auth.h
+++ b/adb/adb_auth.h
@@ -17,6 +17,8 @@
 #ifndef __ADB_AUTH_H
 #define __ADB_AUTH_H
 
+#include "adb.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif