[cctest] Use 'strtoull' when decoding an address from the log.

We were using 'strtoll' which returns a signed integer, we should have used
'strtoull' instead.

Change-Id: Ie2e48ecc1fa58cff4b61fcea30087608769a80bb
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1893333Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Pierre Langlois <pierre.langlois@arm.com>
Cr-Commit-Position: refs/heads/master@{#64765}

test/cctest/test-log.cc

@@ -170,7 +170,7 @@ class ScopedLoggerInitializer {
       // conditions will be triggered.
       if (address_column >= columns.size()) continue;
       uintptr_t address =
-          strtoll(columns.at(address_column).c_str(), nullptr, 16);
+          strtoull(columns.at(address_column).c_str(), nullptr, 16);
       if (address == 0) continue;
       if (!allow_duplicates) {
         auto match = map.find(address);