[CI] Add Test Build to Premerge Builder

This patch makes it so that the premerge linux builder will do a test builder.
This allows us to ensure things are working without having to run the very
expensive full build.

Author: boomanaiden154

zorg/buildbot/builders/annotated/premerge/dispatch_job.py

@@ -65,7 +65,7 @@ def start_build_linux(commit_sha: str, k8s_client) -> str:
         "export CC=clang",
         "export CXX=clang++",
         "export POSTCOMMIT_CI=1",
-        "echo testing maybe succeded.",
+        './.ci/monolithic-linux.sh "polly" "check-polly" "" "" "" OFF',
         #'./.ci/monolithic-linux.sh "bolt;clang;clang-tools-extra;flang;libclc;lld;lldb;llvm;mlir;polly" "check-bolt check-clang check-clang-cir check-clang-tools check-flang check-lld check-lldb check-llvm check-mlir check-polly" "compiler-rt;libc;libcxx;libcxxabi;libunwind" "check-compiler-rt check-libc" "check-cxx check-cxxabi check-unwind" "OFF"'
         "echo BUILD FINISHED",
     ]