[OpenMP][FIX] Adjust test to be non-flaky (#122331)

The test runs asynchronous kernels and depending on the timing the
output is slightly different. We now only check for the common parts of
the output.

Author: jdoerfert

offload/test/sanitizer/kernel_crash_async.c

@@ -36,4 +36,4 @@ int main(void) {
 // TRACE: Kernel {{.*}} (__omp_offloading_{{.*}}_main_l29)
 // TRACE:     launchKernel
 //
-// CHECK: Kernel {{[0-9]}}: {{.*}} (__omp_offloading_{{.*}}_main_l29)
+// CHECK: Kernel {{.*}} (__omp_offloading_{{.*}}_main_l29)