Replace deprecated primitive-wrapper constructors with valueOf factories#7

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batch-changes/fix-deprecated-wrapper-constructors-1ca78ead-1fd5-471a-8a13-794d6329835esourcegraph-testing/deprecated-java-api-demo-4:batch-changes/fix-deprecated-wrapper-constructors-1ca78ead-1fd5-471a-8a13-794d6329835eCopy head branch name to clipboard