Upgrade V8 to 5.1.281.57  DO NOT MERGE

FPIIM-449

Change-Id: Id981b686b4d587ac31697662eb98bb34be42ad90
(cherry picked from commit 3b9bc31999c9787eb726ecdbfd5796bfdec32a18)
diff --git a/test/fuzzer/fuzzer.isolate b/test/fuzzer/fuzzer.isolate
index 286be2f..4e98edd 100644
--- a/test/fuzzer/fuzzer.isolate
+++ b/test/fuzzer/fuzzer.isolate
@@ -8,11 +8,15 @@
       '<(PRODUCT_DIR)/json_fuzzer<(EXECUTABLE_SUFFIX)',
       '<(PRODUCT_DIR)/parser_fuzzer<(EXECUTABLE_SUFFIX)',
       '<(PRODUCT_DIR)/regexp_fuzzer<(EXECUTABLE_SUFFIX)',
+      '<(PRODUCT_DIR)/wasm_fuzzer<(EXECUTABLE_SUFFIX)',
+      '<(PRODUCT_DIR)/wasm_asmjs_fuzzer<(EXECUTABLE_SUFFIX)',
       './fuzzer.status',
       './testcfg.py',
       './json/',
       './parser/',
       './regexp/',
+      './wasm/',
+      './wasm_asmjs/',
     ],
   },
   'includes': [