Multiprocess test client: Android child process launcher rework.

components/test_runner/BUILD.gn

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 if (is_android) {
   import("//build/config/android/config.gni")
 }
 
@@ skipping 120 matching lines @@
     "//v8",
   ]
 
   data_deps = [
     ":resources",
   ]
 
   if (is_mac) {
     libs = [ "AppKit.framework" ]
   }
+
+  if (is_android) {
+    deps += [ "//base/test:test_support_main_stub" ]
+  }
 }
 
 # Font copies.
 if (!is_mac) {
   copy("copy_ahem") {
     visibility = [ ":*" ]
     sources = [
       "resources/fonts/AHEM____.TTF",
     ]
     outputs = [
@@ skipping 53 matching lines @@
 
   if (use_x11) {
     deps += [ ":copy_x11_fonts" ]
     data_deps += [ ":copy_x11_fonts" ]
   }
   if (is_android) {
     deps += [ ":copy_android_fonts" ]
     data_deps += [ ":copy_android_fonts" ]
   }
 }