[52, sqlite3] Make primary key type lower case
[52, sqlite3] Make primary key type lower case

AR52 did this in rails/rails@9507b4f0

Fixes:
* rails52/test/cases/base_test.rb #test_primary_key_and_references_columns_should_be_identical_type

bruceadams/activerecord-jdbc-adapter,bruceadams/activerecord-jdbc-adapter,kares/activerecord-jdbc-adapter,jruby/activerecord-jdbc-adapter,jruby/activerecord-jdbc-adapter,jruby/activerecord-jdbc-adapter,kares/activerecord-jdbc-adapter,bruceadams/activerecord-jdbc-adapter,kares/activerecord-jdbc-adapter