parse_soong: Parse sections into dicts
parse_soong: Parse sections into dicts

This is a precondition for recursive 'default' sections parsing
required for #1

Componolit/componolit,senier/componolit,senier/componolit,Componolit/componolit,senier/componolit,Componolit/componolit,Componolit/componolit,senier/componolit,senier/componolit,Componolit/componolit,Componolit/componolit