Move net.h to include/net/

+ Move net-android.c and net.c to net/
+ Rename net-checksum.c to net/checksum.c
+ Move sockets.h and shaper.h to include/android/
  and sockets.c + shaper.c to android/

+ Move vgafont.h to ui/

Change-Id: I2659a919a316d3f95aac0f9924833eeee4cb5592
diff --git a/qemu-char.c b/qemu-char.c
index b73cb9f..7ae4e7a 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -22,8 +22,8 @@
  * THE SOFTWARE.
  */
 #include "qemu-common.h"
-#include "sockets.h"
-#include "net.h"
+#include "android/sockets.h"
+#include "net/net.h"
 #include "monitor.h"
 #include "ui/console.h"
 #include "sysemu.h"