add fortified implementations of send/sendto

Bug: None
Test: Bullhead builds+boots; CtsBionicTestCases passes.
Change-Id: I2f137a100f679f7f2145d84b2f29ddd3e96a36ae
diff --git a/tests/fortify_test.cpp b/tests/fortify_test.cpp
index e1ff769..86b282c 100644
--- a/tests/fortify_test.cpp
+++ b/tests/fortify_test.cpp
@@ -623,6 +623,12 @@
   ASSERT_FORTIFY(recv(0, buf, data_len, 0));
 }
 
+TEST_F(DEATHTEST, send_fortified) {
+  size_t data_len = atoi("11"); // suppress compiler optimizations
+  char buf[10] = {0};
+  ASSERT_FORTIFY(send(0, buf, data_len, 0));
+}
+
 TEST_F(DEATHTEST, FD_ISSET_fortified) {
 #if defined(__BIONIC__) // glibc catches this at compile-time.
   fd_set set;