[Android] Guard android_assets usage with enable_java_templates.

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/arm.gni")
 import("//build/config/dcheck_always_on.gni")
 import("//build/config/mips.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 
@@ skipping 497 matching lines @@
   ]
 
   outputs = [
     "$target_gen_dir/d8-js.cc",
   ]
 
   args = rebase_path(outputs, root_build_dir) + [ "D8" ] +
          rebase_path(inputs, root_build_dir)
 }
 
-if (is_android) {
+if (is_android && enable_java_templates) {
   android_assets("v8_external_startup_data_assets") {
     if (v8_use_external_startup_data) {
       deps = [
         "//v8",
       ]
       sources = [
         "$root_out_dir/natives_blob.bin",
       ]
       renaming_sources = [ "$root_out_dir/snapshot_blob.bin" ]
       if (current_cpu == "arm" || current_cpu == "x86" ||
@@ skipping 1867 matching lines @@
 
   deps = [
     ":fuzzer_support",
   ]
 
   configs = [ ":internal_config" ]
 }
 
 v8_fuzzer("wasm_asmjs_fuzzer") {
 }