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

tools/android/md5sum/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.
 
 # GYP: //tools/android/md5sum/md5sum.gyp:md5sum
 group("md5sum") {
   datadeps = [
     ":md5sum_prepare_dist($default_toolchain)",
     ":md5sum_copy_host($host_toolchain)",
   ]
@@ skipping 18 matching lines @@
   #}],
   #],
 }
 
 if (current_toolchain == default_toolchain) {
   import("//build/config/android/rules.gni")
 
   # GYP: //tools/android/md5sum/md5sum.gyp:md5sum_stripped_device_bin
   create_native_executable_dist("md5sum_prepare_dist") {
     dist_dir = "$root_build_dir/md5sum_dist"
-    binary = "$root_build_dir/exe.stripped/md5sum_bin"
+    binary = "$root_build_dir/md5sum_bin"
     deps = [
       ":md5sum_bin",
     ]
   }
 } else {
   # GYP: //tools/android/md5sum/md5sum.gyp:md5sum_bin_host
   action("md5sum_copy_host") {
     # Symlink rather than copy. When copied and using a component build, it
     # fails to find libbase.so (since it's actually at clang_x64/libbase.so).
     script = "//build/symlink.py"
     _src = "$root_out_dir/md5sum_bin"
     _target = "$root_build_dir/md5sum_bin_host"
     sources = [
       _src,
     ]
     outputs = [
       _target,
     ]
     deps = [
       ":md5sum_bin",
     ]
     args = [
       "-f",
       rebase_path(_src, root_build_dir),
       rebase_path(_target, root_build_dir),
     ]
   }
 }