[foozzie] Rename folder to account for new clusterfuzz configs

We'll soon also host other configurations for general fuzzing, not only
correctness fuzzing in the new tools/clusterfuzz folder.

TBR=yangguo@chromium.org

Bug: chromium:813833
Change-Id: Icd966bfec91cc547522bad5d1a842500b554754f
Reviewed-on: https://chromium-review.googlesource.com/930331Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51480}

BUILD.gn

@@ -2978,7 +2978,7 @@ v8_executable("d8") {
   }
 
   if (v8_correctness_fuzzer) {
-    deps += [ "tools/foozzie:v8_correctness_fuzzer_resources" ]
+    deps += [ "tools/clusterfuzz:v8_correctness_fuzzer_resources" ]
   }
 
   defines = []