Move android-trace.h to include/android/

+ android-trace_common.h -> include/android/trace_common.h
  NOTE: trace_common.h is still in the top-level directory because
        the qtools first need to be updated to include the header
        at include/android/trace_common.h

+ trace.c -> android/
+ user-events.h -> include/android/
+ user-events-qemu.c -> android/

Change-Id: Idbf59c8b1a5cc2872f035eb3fa7f9922755f357d
diff --git a/android/main.c b/android/main.c
index 61f794a..9f88bf5 100644
--- a/android/main.c
+++ b/android/main.c
@@ -24,7 +24,7 @@
 #include "qemu-common.h"
 #include "sysemu.h"
 #include "ui/console.h"
-#include "user-events.h"
+#include "android/user-events.h"
 
 #include <SDL.h>
 #include <SDL_syswm.h>