[Android] Update path to testing AndroidManifest.xml for GN.

build/config/android/rules.gni

 # 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("//base/android/linker/config.gni")
 import("//build/config/android/config.gni")
 import("//build/config/android/internal_rules.gni")
 import("//tools/grit/grit_rule.gni")
 import("//tools/relocation_packer/config.gni")
 
@@ skipping 1536 matching lines @@
     apk_name = test_suite_name
   }
 
   android_apk(target_name) {
     _apk_name = apk_name
     final_apk_path = "$root_build_dir/${_apk_name}_apk/${_apk_name}-debug.apk"
     java_files = [
       "//testing/android/java/src/org/chromium/native_test/ChromeNativeTestActivity.java",
       "//testing/android/java/src/org/chromium/native_test/ChromeNativeTestInstrumentationTestRunner.java",
     ]
-    android_manifest = "//testing/android/java/AndroidManifest.xml"
+    android_manifest = "//testing/android/native_test/java/AndroidManifest.xml"
     native_libs = [ unittests_binary ]
     if (defined(invoker.asset_location)) {
       asset_location = invoker.asset_location
     }
     deps = [
       "//base:base_java",
       "//build/android/pylib/remote/device/dummy:remote_device_dummy_apk",
     ]
     if (defined(invoker.deps)) {
       deps += invoker.deps
@@ skipping 230 matching lines @@
 template("uiautomator_test") {
   set_sources_assignment_filter([])
   if (defined(invoker.testonly)) {
     testonly = invoker.testonly
   }
   assert(target_name != "")
   assert(invoker.deps != [] || true)
   group(target_name) {
   }
 }