Add server schema for microversion 2.19

This commit adds servers schema for microversion 2.19
Without those schema in this file, get_schema() method
will throw error about particular schema not found in this file.

Change-Id: Ia4a1e27044ce210d86b386a6208989d4f0e9c1c6
partially-implements: blueprint full-schema-for-all-microversions
1 file changed