runtime: skip TestTimePprof on sanitizers

This test asserts there is no external code, but the sanitizer runtimes
are external code.

Fixes #73783.

Cq-Include-Trybots: luci.golang.try:gotip-windows-amd64-race
Change-Id: I6a6a636cf93b7950e3ea35e00ec2eaf89911d712
Reviewed-on: https://go-review.googlesource.com/c/go/+/675296
Reviewed-by: Michael Knyszek <[email protected]>
Auto-Submit: Michael Pratt <[email protected]>
LUCI-TryBot-Result: Go LUCI <[email protected]>

Author: prattmic

src/runtime/crash_test.go

@@ -854,6 +854,9 @@ func TestTimePprof(t *testing.T) {
 	case "aix", "darwin", "illumos", "openbsd", "solaris":
 		t.Skipf("skipping on %s because nanotime calls libc", runtime.GOOS)
 	}
+	if race.Enabled || asan.Enabled || msan.Enabled {
+		t.Skip("skipping on sanitizers because the sanitizer runtime is external code")
+	}
 
 	// Pass GOTRACEBACK for issue #41120 to try to get more
 	// information on timeout.