[ARM] Fix up buildbots after r246360

I have no idea how I missed this in my internal testing. Just no idea. Sorry for the bot-armageddon.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246361 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed