adb: add sysdeps/chrono.h for chrono literals on Win32.

Bug: http://b/32878766
Test: mma
Change-Id: Iaa89d4eadf07e63d6d7205057435a6c7fb5d4ec5
diff --git a/adb/socket_test.cpp b/adb/socket_test.cpp
index b6aff54..f56f7f7 100644
--- a/adb/socket_test.cpp
+++ b/adb/socket_test.cpp
@@ -19,7 +19,6 @@
 #include <gtest/gtest.h>
 
 #include <array>
-#include <chrono>
 #include <limits>
 #include <queue>
 #include <string>
@@ -33,6 +32,7 @@
 #include "fdevent_test.h"
 #include "socket.h"
 #include "sysdeps.h"
+#include "sysdeps/chrono.h"
 
 struct ThreadArg {
     int first_read_fd;
@@ -46,7 +46,7 @@
     fdevent_loop();
 }
 
-constexpr auto SLEEP_FOR_FDEVENT = std::chrono::milliseconds(100);
+constexpr auto SLEEP_FOR_FDEVENT = 100ms;
 
 TEST_F(LocalSocketTest, smoke) {
     // Join two socketpairs with a chain of intermediate socketpairs.
@@ -231,7 +231,7 @@
     std::string error;
     int fd = network_loopback_client(5038, SOCK_STREAM, &error);
     ASSERT_GE(fd, 0) << error;
-    std::this_thread::sleep_for(std::chrono::milliseconds(200));
+    std::this_thread::sleep_for(200ms);
     ASSERT_EQ(0, adb_close(fd));
 }