drm_hwcomposer: CI: Use bpfmt to check Android.bp files style

Fix available errors by executing:
$ find -name "*.bp" -exec bpfmt -d -s -w {} \;

Suggested-by: Marijn Suijten <marijn.suijten@somainline.org>
Signed-off-by: Roman Stratiienko <r.stratiienko@gmail.com>
4 jobs for ci-improvements in 2 minutes and 3 seconds (queued for 1 second)