[gn build] Port 7625d2e

Author: llvmgnsyncbot

llvm/utils/gn/secondary/llvm/lib/ProfileData/BUILD.gn

@@ -18,6 +18,7 @@ static_library("ProfileData") {
     "InstrProfWriter.cpp",
     "ItaniumManglingCanonicalizer.cpp",
     "MemProf.cpp",
+    "MemProfCommon.cpp",
     "MemProfRadixTree.cpp",
     "MemProfReader.cpp",
     "MemProfSummary.cpp",