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

Bug: http://b/32878766
Test: mma
Change-Id: Iaa89d4eadf07e63d6d7205057435a6c7fb5d4ec5
diff --git a/adb_client.cpp b/adb_client.cpp
index 1291364..0b1ba32 100644
--- a/adb_client.cpp
+++ b/adb_client.cpp
@@ -28,7 +28,6 @@
 #include <sys/stat.h>
 #include <sys/types.h>
 
-#include <chrono>
 #include <string>
 #include <thread>
 #include <vector>
@@ -40,6 +39,7 @@
 #include "adb_io.h"
 #include "adb_utils.h"
 #include "socket_spec.h"
+#include "sysdeps/chrono.h"
 
 static TransportType __adb_transport = kTransportAny;
 static const char* __adb_serial = NULL;
@@ -191,7 +191,7 @@
             fprintf(stdout,"* daemon started successfully *\n");
         }
         // Give the server some time to start properly and detect devices.
-        std::this_thread::sleep_for(std::chrono::seconds(3));
+        std::this_thread::sleep_for(3s);
         // fall through to _adb_connect
     } else {
         // If a server is already running, check its version matches.
@@ -236,7 +236,7 @@
             }
 
             /* XXX can we better detect its death? */
-            std::this_thread::sleep_for(std::chrono::seconds(2));
+            std::this_thread::sleep_for(2s);
             goto start_server;
         }
     }