[llvm-exegesis] Unbreak analysis-uops-variant.test introduced in D52825

A `defined(NDEBUG) && !defined(LLVM_ENABLE_DUMP)` build does not call
writeEscaped and there will be no `SBWriteZeroLatency` in the output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@343751 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed