Fix bug where ECONNABORTED would have always occured on asocket_write.

Use POLLOUT for writes. Duh.
diff --git a/libcutils/abort_socket.c b/libcutils/abort_socket.c
index d732142..6a5e5e4 100644
--- a/libcutils/abort_socket.c
+++ b/libcutils/abort_socket.c
@@ -239,7 +239,7 @@
     }
 
     if (pfd[0].revents) {
-        if (pfd[0].revents & POLLIN) {
+        if (pfd[0].revents & POLLOUT) {
             /* ready to write() without blocking */
             do {
                 ret = write(s->fd, buf, count);