ci/android: Temporarily disable building llvmpipe

Due to the driver's size being inflated by the embedded LLVM, and
uploading to S3 currently being slow, disable building llvmpipe for
Android.
This is meant as a temporary workaround until we can do this more
efficiently.

Signed-off-by: Valentine Burley <valentine.burley@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34180>
1 file changed