Merge pull request #1848 from magento-engcom/2.2-develop-prs

[EngCom] Public Pull Requests - 2.2-develop
 - MAGETWO-85583: magento/magento2#12378: Regions list in Directory module for India #1007
 - MAGETWO-85580: Fixes #12660 invalid parameter configuration provided for argument #12661
 - MAGETWO-85534: #8647: [GitHub] Order of how arguments are merged in multiple di.xml-… #995
 - MAGETWO-84370: 11946: Layer navigation showing wrong product count #12063
Fixed issues:
 - magento/magento2#12378 Regions list in Directory module for India
 - magento/magento2#12452 ACL permissions issue
 - magento/magento2#12660 Invalid parameter configuration provided for $block argument upon no ACL permissions to the block
 - magento/magento2#8647 Order of how arguments are merged in multiple di.xml-files causes unexpected results
 - magento/magento2#11946 Layer navigation showing wrong product count