message: Make android_compile_x64_rel actually compile in x64.
  Due to a copy/paste error, the bot was compiling in x86.
  Cr-Commit-Position: refs/heads/master@{#29825}
diff: 'android', 'debug_static_bot', 'x64'
  ],
  'android_release_bot_x64': [
  - 'android', 'release_bot', 'x86'
  + 'android', 'release_bot', 'x64'
  ],
  'android_asan_shared_release_bot_arm': [
  'android', 'asan', 'clang', 'release_bot', 'arm'
  