[test] Explicitly set --turbo-inlining in a cctest

I missed this one in my previous CL.

R=jarin@chromium.org

Change-Id: Ie4b912ee7e3367da48c0d4b092ad09e3f81de788
Reviewed-on: https://chromium-review.googlesource.com/c/1477677Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#59743}

test/cctest/test-cpu-profiler.cc

@@ -2888,6 +2888,7 @@ UNINITIALIZED_TEST(DetailedSourcePositionAPI) {
 
 UNINITIALIZED_TEST(DetailedSourcePositionAPI_Inlining) {
   i::FLAG_detailed_line_info = false;
+  i::FLAG_turbo_inlining = true;
   i::FLAG_stress_inline = true;
   i::FLAG_always_opt = false;
   i::FLAG_allow_natives_syntax = true;