Replace most uses of asset_location with android_assets() template

chrome/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_overrides/v8.gni")
 import("//chrome/android/chrome_public_apk_tmpl.gni")
 import("//chrome/version.gni")
 import("//testing/test.gni")
@@ skipping 329 matching lines @@
 # Overrides icon / name defined in chrome_java_resources.
 android_resources("chrome_public_apk_resources") {
   resource_dirs = [ "java/res_chromium" ]
 
   # Dep needed to ensure override works properly.
   deps = [
     ":chrome_java_resources",
   ]
 }
 
-copy_ex("chrome_public_apk_assets") {
-  clear_dir = true
-  dest = "$root_build_dir/chrome_public_apk_assets"
+android_assets("chrome_public_apk_assets") {
   sources = chrome_android_paks_gypi.chrome_android_pak_input_resources
-  if (icu_use_data_file) {
-    sources += [ "$root_build_dir/icudtl.dat" ]
-  }
+  sources += [ "$root_build_dir/resources.pak" ]
+  disable_compression = true
+
   deps = [
     "//chrome:packed_extra_resources",
     "//chrome:packed_resources",
-    "//third_party/icu:icudata",
+    "//third_party/icu:icu_assets",
+    "//v8:v8_external_startup_data_assets",
   ]
-
-  if (v8_use_external_startup_data) {
-    renaming_sources = v8_external_startup_data_renaming_sources
-    renaming_destinations = v8_external_startup_data_renaming_destinations
-    deps += [ "//v8" ]
-  }
-
-  sources += [ "$root_build_dir/resources.pak" ]
 }
 
 # GYP: //chrome/android/chrome_apk.gyp:chrome_apk_manifest
 jinja_template("chrome_public_apk_manifest") {
   input = "java/AndroidManifest.xml"
   output = "$root_gen_dir/chrome_public_apk_manifest/AndroidManifest.xml"
   variables = jinja_variables
   variables += [
     "min_sdk_version=16",
     "target_sdk_version=23",
@@ skipping 78 matching lines @@
   # TODO(GYP,cjhopman): Does this need version code/name?
   apk_name = "ChromePublicTest"
   apk_under_test = ":chrome_public_apk"
   android_manifest = chrome_public_test_apk_manifest
   deps = [
     ":chrome_public_test_apk_manifest",
     "//chrome/android:chrome_shared_test_java",
   ]
   isolate_file = "../chrome_public_test_apk.isolate"
 }