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_io.cpp b/adb/adb_io.cpp
index 4dd9f4d..3370a0c 100644
--- a/adb/adb_io.cpp
+++ b/adb/adb_io.cpp
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#define TRACE_TAG  TRACE_RWX
+#define TRACE_TAG TRACE_RWX
 
 #include "sysdeps.h"
 #include "adb_io.h"