Added webrev for jdk18/53

Author: duke

jdk18/53/00-01/commits.json

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+[{"commit":{"message":"Remove security manager property from jstatd tests."},"files":[{"filename":"test\/jdk\/sun\/tools\/jstatd\/JstatdTest.java"}],"sha":"27d4f68998b3006650cdd641eaa7df47e1b5c31c"}]

jdk18/53/00-01/comparison.json

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+{"files":[{"patch":"@@ -256,1 +256,0 @@\n-        launcher.addVMArg(\"-Djava.security.manager=allow\");\n","filename":"test\/jdk\/sun\/tools\/jstatd\/JstatdTest.java","additions":0,"deletions":1,"binary":false,"changes":1,"status":"modified"}]}

jdk18/53/00-01/metadata.json

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+{"head":{"repo":{"full_name":"kevinjwalls\/jdk18","html_url":"https:\/\/github.com\/kevinjwalls\/jdk18"},"sha":"27d4f68998b3006650cdd641eaa7df47e1b5c31c"},"created_at":"2021-12-21T20:28:49.287060179Z","base":{"repo":{"full_name":"openjdk\/jdk18","html_url":"https:\/\/git.openjdk.java.net\/jdk18"},"sha":"eaf7ddf66ee4d14c65935432ee5974249fdc95ab"}}