Add two solr/CHANGES.txt entries for SOLR-14981 and SOLR-15046. (#2149)
Add two solr/CHANGES.txt entries for SOLR-14981 and SOLR-15046. (#2149)

So that 8.8.0 sections match on master and branch_8x branches.
apache/solr,apache/solr,apache/solr,apache/solr,apache/solr