Adapt to switch to libc++ for Windows

Bug: http://b/91353691

- libcxx has ETXTBSY for Windows
- adb/sysdeps/memory.h is no longer needed

Test: Build and test Windows binaries under Wine.

Change-Id: I9c27087d46c49cb25b391c4adae8d9e24724784d
diff --git a/adb/fdevent_test.cpp b/adb/fdevent_test.cpp
index 0cb2439..816134f 100644
--- a/adb/fdevent_test.cpp
+++ b/adb/fdevent_test.cpp
@@ -19,6 +19,7 @@
 #include <gtest/gtest.h>
 
 #include <limits>
+#include <memory>
 #include <queue>
 #include <string>
 #include <thread>
@@ -26,7 +27,6 @@
 
 #include "adb_io.h"
 #include "fdevent_test.h"
-#include "sysdeps/memory.h"
 
 class FdHandler {
   public: