GN: Use lib.unstripped rather than lib.stripped. Add a toolchain.gni

mandoline/app/android/BUILD.gn

 # Copyright 2015 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.
 
 assert(is_android)
 
 import("//build/config/android/config.gni")
 import("//build/config/android/rules.gni")
 import("//mojo/generate_mojo_shell_assets_list.gni")
 
@@ skipping 23 matching lines @@
   # On android, the executable is also the native library used by the apk.
   # It means dynamic symbols must be preserved and exported.
   ldflags = [ "-Wl,--export-dynamic" ]
 }
 
 copy("copy_mandoline_runner") {
   deps = [
     ":mandoline_runner",
   ]
   sources = [
-    "$root_out_dir/exe.stripped/mandoline_runner",
+    "$root_out_dir/mandoline_runner",
   ]
   outputs = [
-    "$root_out_dir/lib.stripped/libmandoline_runner$android_product_extension",
+    "$root_shlib_dir/${shlib_prefix}mandoline_runner$shlib_extension",
   ]
 }
 
 copy_ex("copy_mandoline_assets") {
   clear_dir = true
   dest = mandoline_assets_dir
   deps = [
     "//components/devtools_service",
     "//components/html_viewer",
     "//components/resource_provider",
     "//mandoline/services/core_services",
     "//mojo/runner:bootstrap",
     "//mojo/runner:bootstrap_java",
     "//mojo/services/network",
   ]
   sources = [
-    "$root_out_dir/lib.stripped/libbootstrap$android_product_extension",
     "$root_out_dir/obj/mojo/runner/bootstrap_java.dex.jar",
+    "$root_shlib_dir/${shlib_prefix}bootstrap$shlib_extension",
   ]
 
   # Directories can't be specified as sources so pass manually to the script.
   args = [
     "--files=" + rebase_path("$root_out_dir/core_services", root_build_dir),
     "--files=" + rebase_path("$root_out_dir/network_service", root_build_dir),
     "--files=" + rebase_path("$root_out_dir/resource_provider", root_build_dir),
     "--files=" + rebase_path("$root_out_dir/devtools_service", root_build_dir),
     "--files=" + rebase_path("$root_out_dir/html_viewer", root_build_dir),
   ]
@@ skipping 34 matching lines @@
 android_resources("mandoline_apk_resources") {
   custom_package = "org.chromium.mandoline"
   resource_dirs = [ "apk/res" ]
 }
 
 android_apk("mandoline_apk") {
   apk_name = "Mandoline"
 
   android_manifest = "apk/AndroidManifest.xml"
 
-  native_libs = [ "libmandoline_runner$android_product_extension" ]
+  native_libs = [ "${shlib_prefix}mandoline_runner$shlib_extension" ]
 
   asset_location = mandoline_assets_dir
 
   deps = [
     ":build_mandoline_assets",
     ":copy_mandoline_runner",
     ":java",
     ":mandoline_apk_resources",
     "//mojo/runner:java",
     "//mojo/runner:resources",
     "//base:base_java",
     "//third_party/android_tools:google_play_services_default_resources",
     "//ui/platform_window/android:platform_window_java",
   ]
 }