[Android] Redirect std{in,out,err} to sockets for layout tests.

third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/server_process.py

Index: third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/server_process.py
diff --git a/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/server_process.py b/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/server_process.py
index 1d86668d87dceb2f7e69484fdb1778ffd7454f8b..a582ebe4ff5d1e468808c955e3b3792830c2f4c7 100644
--- a/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/server_process.py
+++ b/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/server_process.py
@@ -408,6 +408,12 @@ class ServerProcess(object):
         if self._proc.poll() is not None:
             self._proc.wait()
 
+    def replace_input(self, stdin):
+        assert self._proc
+        if stdin:
+            self._proc.stdin.close()
+            self._proc.stdin = stdin
+
     def replace_outputs(self, stdout, stderr):
         assert self._proc
         if stdout: