Auto merge of #21912 - servo:lighter-bootstrap, r=jdm

Add `--build` and `--emulator-x86` to `./mach bootstrap-android`

This allows not downloading dependencies that are not needed for a particular task.

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bors-servo 2018-10-11 23:15:38 -04:00 committed by GitHub
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@ -249,7 +249,7 @@ linker = "lld-link.exe"
#### Cross-compilation for Android
Run `./mach bootstrap-android` to get Android-specific tools. See wiki for
Run `./mach bootstrap-android --build` to get Android-specific tools. See wiki for
[details](https://github.com/servo/servo/wiki/Building-for-Android).
## The Rust compiler