[gn build] Port f759739

Author: llvmgnsyncbot

llvm/utils/gn/secondary/bolt/unittests/Profile/BUILD.gn

@@ -3,5 +3,8 @@ import("//third-party/unittest/unittest.gni")
 unittest("ProfileTests") {
   configs += [ "//llvm/utils/gn/build:bolt_code" ]
   deps = [ "//bolt/lib/Profile" ]
-  sources = [ "DataAggregator.cpp" ]
+  sources = [
+    "DataAggregator.cpp",
+    "PerfSpeEvents.cpp",
+  ]
 }