Allow load_library_from_apk to be set via gn args

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/common/features.gni")
 import("//chrome/version.gni")
@@ skipping 453 matching lines @@
   sources = chrome_apk_gypi.chrome_sync_shell_app_native_sources
 }
 
 # Contains rules common to chrome_public_apk and chrome_sync_shell_apk
 template("chrome_public_apk_tmpl_shared") {
   chrome_public_apk_tmpl(target_name) {
     forward_variables_from(invoker, "*")
 
     native_lib_version_rule = "//build/util:chrome_version_json"
 
-    # Only attempt loading the library from the APK for 64 bit devices
-    # until the number of 32 bit devices which don't support this
-    # approach falls to a minimal level -  http://crbug.com/390618.
-    if (chromium_linker_supported &&
-        (target_cpu == "arm64" || target_cpu == "x64")) {
-      load_library_from_apk = chrome_public_apk_load_library_from_apk
-    }
-
     deps += [
       ":chrome_java",
       ":chrome_public_apk_assets",
       ":chrome_public_apk_resources",
       "//base:base_java",
       google_play_services_resources,
     ]
   }
 }
 
@@ skipping 95 matching lines @@
   apk_name = "ChromeSyncShellTest"
   apk_under_test = ":chrome_sync_shell_apk"
   android_manifest = chrome_sync_shell_test_apk_manifest
   deps = [
     ":chrome_sync_shell_test_apk_java",
     ":chrome_sync_shell_test_apk_manifest",
   ]
   isolate_file = "../chrome_sync_shell_test_apk.isolate"
   proguard_enabled = !is_debug
 }