Revert "makebuildserver: update SHA-256 for platform-27_r01.zip"
Revert "makebuildserver: update SHA-256 for platform-27_r01.zip"

Looks like Google switched back to the old binary, which I guess is
good news?
https://issuetracker.google.com/issues/70292819

This reverts commit 956660085a417989a0a1e35081071da6ab36b5c2.

!401

fdroidtravis/fdroidserver,f-droid/fdroid-server,f-droid/fdroid-server,f-droid/fdroid-server,f-droid/fdroid-server,f-droid/fdroidserver,f-droid/fdroidserver,f-droid/fdroidserver,fdroidtravis/fdroidserver,f-droid/fdroidserver,f-droid/fdroid-server,fdroidtravis/fdroidserver,fdroidtravis/fdroidserver,f-droid/fdroidserver