[Android] Move isolate generation into //build/config/android.

build/config/android/internal_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("//build/config/android/config.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 
 assert(is_android)
 
 # These identify targets that have .build_config files (except for android_apk,
@@ skipping 392 matching lines @@
       rebased_renaming_sources =
           rebase_path(invoker.renaming_sources, root_build_dir)
       args += [ "--renaming-sources=$rebased_renaming_sources" ]
 
       renaming_destinations = invoker.renaming_destinations
       args += [ "--renaming-destinations=$renaming_destinations" ]
     }
   }
 }
 
+template("device_isolate") {
+  testonly = true
+  _runtime_deps_file = "$target_gen_dir/$target_name.runtime_deps"
+  group("${target_name}__write_deps") {
+    forward_variables_from(invoker,
+                           [
+                             "data",
+                             "data_deps",
+                             "deps",
+                             "public_deps",
+                           ])
+    write_runtime_deps = _runtime_deps_file
+  }
+
+  action(target_name) {
+    script = "//build/android/gn/generate_isolate.py"
+    inputs = [
+      _runtime_deps_file,
+    ]
+    outputs = [
+      invoker.output,
+    ]
+    args = [
+      "--output-directory=.",
+      "--out-file",
+      rebase_path(invoker.output, root_build_dir),
+      "--runtime-deps-file",
+      rebase_path(_runtime_deps_file, root_build_dir),
+      "--apply-android-filters",
+      "--apply-device-filters",
+    ]
+    _assert_no_odd_data =
+        defined(invoker.assert_no_odd_data) && invoker.assert_no_odd_data
+    if (_assert_no_odd_data) {
+      args += [ "--assert-no-odd-data" ]
+    }
+    if (defined(invoker.command)) {
+      _isolate_dir = get_path_info(invoker.output, "dir")
+      args += [
+        "--command",
+        rebase_path(invoker.command, _isolate_dir),
+      ]
+    }
+    deps = [
+      ":${invoker.target_name}__write_deps",
+    ]
+  }
+}
+
 # Generates a script in the output bin directory which runs the test
 # target using the test runner script in build/android/test_runner.py.
 template("test_runner_script") {
   testonly = true
   _test_name = invoker.test_name
   _test_type = invoker.test_type
   _incremental_install =
       defined(invoker.incremental_install) && invoker.incremental_install
 
   action(target_name) {
@@ skipping 2157 matching lines @@
       outputs = [
         depfile,
         invoker.out_manifest,
       ]
       inputs = [
         invoker.main_manifest,
       ]
     }
   }
 }