[compiler-rt][test] Restore original symbolize_stack test

In D126580 we updated the test to reflect that there should always
be a full trace. However, some executions do not have symbolizer
information, so we will restore the original test until we can formulate
a more robust test.

Reviewed By: leonardchan

Differential Revision: https://reviews.llvm.org/D127334

compiler-rt/test/sanitizer_common/TestCases/symbolize_stack.cpp

@@ -26,6 +26,6 @@ __attribute__((noinline)) void A<0>::RecursiveTemplateFunction(const T &) {
 }
 
 int main() {
-  // CHECK: {{#[0-9]+.*A<0>.*vector<.*vector<.*vector<.*vector<.*vector<.*vector<.*vector<.*vector<.*vector<.*vector<.*vector<.*vector.*symbolize_stack.cpp:25}}
+  // CHECK: {{vector<.*vector<.*vector<.*vector<.*vector<}}
   A<10>().RecursiveTemplateFunction(0);
 }