Code review comment for lp://staging/~vanvugt/mir/simplify-hw-cursor-construction

FAILED: Autolanding.
More details in the following jenkins job:
https://mir-jenkins.ubuntu.com/job/mir-autolanding/1100/
Executed test runs:
    FAILURE: https://mir-jenkins.ubuntu.com/job/build-mir/3981/console
    None: https://mir-jenkins.ubuntu.com/job/generic-land-mp/1161/console
    FAILURE: https://mir-jenkins.ubuntu.com/job/build-0-fetch/4067/console
    FAILURE: https://mir-jenkins.ubuntu.com/job/build-1-sourcepkg/release=vivid+overlay/4057/console
    FAILURE: https://mir-jenkins.ubuntu.com/job/build-1-sourcepkg/release=xenial+overlay/4057/console
    FAILURE: https://mir-jenkins.ubuntu.com/job/build-1-sourcepkg/release=zesty/4057/console
    FAILURE: https://mir-jenkins.ubuntu.com/job/build-2-binpkg-mir/arch=amd64,compiler=clang,platform=mesa,release=zesty/4008/console
    FAILURE: https://mir-jenkins.ubuntu.com/job/build-2-binpkg-mir/arch=amd64,compiler=gcc,platform=mesa,release=xenial+overlay/4008/console
    FAILURE: https://mir-jenkins.ubuntu.com/job/build-2-binpkg-mir/arch=amd64,compiler=gcc,platform=mesa,release=zesty/4008/console
    FAILURE: https://mir-jenkins.ubuntu.com/job/build-2-binpkg-mir/arch=cross-armhf,compiler=gcc,platform=android,release=vivid+overlay/4008/console
    FAILURE: https://mir-jenkins.ubuntu.com/job/build-2-binpkg-mir/arch=i386,compiler=gcc,platform=android,release=vivid+overlay/4008/console
    FAILURE: https://mir-jenkins.ubuntu.com/job/build-2-binpkg-mir/arch=i386,compiler=gcc,platform=mesa,release=xenial+overlay/4008/console