[wasm] Update spec tests.

TBR=bradnelson@chromium.org

Change-Id: I133a1fd4135ac50182163c3632ba02fd806aa27a
Reviewed-on: https://chromium-review.googlesource.com/843024Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50295}

DEPS

@@ -56,7 +56,7 @@ deps = {
   'v8/tools/luci-go':
     Var('chromium_url') + '/chromium/src/tools/luci-go.git' + '@' + '564ab652c1b79124efd3c1cf6778d88efc611a08',
   'v8/test/wasm-js':
-    Var('chromium_url') + '/external/github.com/WebAssembly/spec.git' + '@' + 'fb7e7e1e381ffc283c923a87fdfea5ebbd213737',
+    Var('chromium_url') + '/external/github.com/WebAssembly/spec.git' + '@' + '5afc0fdde1eda1c0f1bb7aac761ca8aadf5b0420',
 }
 
 recursedeps = [

test/wasm-spec-tests/tests.tar.gz.sha1

-31da4c33d84b338dbb64d6155a1d1ec41afebd8d
+efc2aab445b5dc47ebc17ddcfe9dccf8940c83f8
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