[Android] Add an out-of-app instrumentation driver APK.

content/shell/android/BUILD.gn

 # Copyright 2014 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/android/config.gni")
 import("//build/config/android/rules.gni")
 import("//build/module_args/v8.gni")
 import("//third_party/icu/config.gni")
 
 generate_jni("content_shell_jni_headers") {
@@ skipping 135 matching lines @@
   ]
   DEPRECATED_java_in_dir = "javatests/src"
 }
 
 android_apk("content_shell_test_apk") {
   testonly = true
   deps = [
     "//content/public/android:content_javatests",
     "//base:base_javatests",
     "//net/android:net_javatests",
+    "//testing/android/broker:broker_java",
   ]
   datadeps = [
     ":content_shell_apk",
+    "//testing/android/driver:driver_apk",
   ]
   apk_under_test = ":content_shell_apk"
   apk_name = "ContentShellTest"
   android_manifest = "javatests/AndroidManifest.xml"
 }
 
 if (current_cpu != "x64" && current_cpu != "arm64") {
   chromium_linker_test_manifest =
       "$target_gen_dir/linker_test_apk/AndroidManifest.xml"
 
@@ skipping 49 matching lines @@
 
   # GYP: //content/content_tests.gypi:chromium_android_linker_test_jni_headers
   generate_jni("linker_test_jni_headers") {
     testonly = true
     jni_package = "content/shell"
     sources = [
       "linker_test_apk/src/org/chromium/chromium_linker_test_apk/LinkerTests.java",
     ]
   }
 }