[profiler] Demangle native symbols on Android too.

runtime/vm/native_symbol_android.cc

Index: runtime/vm/native_symbol_android.cc
diff --git a/runtime/vm/native_symbol_android.cc b/runtime/vm/native_symbol_android.cc
index 1647e59556372e9dc2ab7cfd147d8e2864ba43ef..d08c8ada3f4e79708a0eda9e30c9d85d5a6a0cca 100644
--- a/runtime/vm/native_symbol_android.cc
+++ b/runtime/vm/native_symbol_android.cc
@@ -7,7 +7,8 @@
 
 #include "vm/native_symbol.h"
 
-#include <dlfcn.h>  // NOLINT
+#include <cxxabi.h>  // NOLINT
+#include <dlfcn.h>   // NOLINT
 
 namespace dart {
 
@@ -29,6 +30,13 @@ char* NativeSymbolResolver::LookupSymbolName(uintptr_t pc, uintptr_t* start) {
   if (start != NULL) {
     *start = reinterpret_cast<uintptr_t>(info.dli_saddr);
   }
+  int status = 0;
+  size_t len = 0;
+  char* demangled = abi::__cxa_demangle(info.dli_sname, NULL, &len, &status);
+  MSAN_UNPOISON(demangled, len);
+  if (status == 0) {
+    return demangled;
+  }
   return strdup(info.dli_sname);
 }