Fix NOTICE text to use "developed at " instead of "developed by"

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1618246 13f79535-47bb-0310-9956-ffa450edef68
Merged revision(s) 1618252 from lucene/dev/trunk:
SOLR-6381: Fix brokenness with RAM accounting in Java 9 (this is just a workaround for the bug in test framework, but it makes the test behave correct - using static fields here is a bug!)

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1618253 13f79535-47bb-0310-9956-ffa450edef68