Merge pull request #66063 from edymtt/edymtt/relax-skip_clean_llbuild.test-5.9

[5.9] Relax FileCheck directives for `skip_clean_llbuild.test`

Author: shahmishal

validation-test/BuildSystem/skip_clean_llbuild.test

@@ -8,8 +8,8 @@
 # RUN: mkdir -p %t
 # RUN: SKIP_XCODE_VERSION_CHECK=1 SWIFT_BUILD_ROOT=%t %swift_src_root/utils/build-script --dry-run --llbuild --skip-clean-llbuild --cmake %cmake  2>&1 | %FileCheck --check-prefix=SKIP-CLEAN-LLBUILD-CHECK %s
 
-# CLEAN-LLBUILD-CHECK: Cleaning the llbuild build directory
-# CLEAN-LLBUILD-CHECK-NEXT: rm -rf
+# CLEAN-LLBUILD-CHECK-DAG: Cleaning the llbuild build directory
+# CLEAN-LLBUILD-CHECK: rm -rf
 
 # SKIP-CLEAN-LLBUILD-CHECK-NOT: Cleaning the llbuild build directory
 # SKIP-CLEAN-LLBUILD-CHECK-NOT: rm -rf {{.*/llbuild-[^/]*}}