Issue #2110615 by swentel, dawehner, xjm, chx: Do not ship with default UUIDs.

core/includes/install.inc

core/lib/Drupal/Core/Config/Entity/ConfigEntityBase.php

...ules/aggregator/config/views.view.aggregator_rss_feed.yml

...est_views/test_views/views.view.test_aggregator_items.yml

...les/block/custom_block/config/custom_block.type.basic.yml

...ustom_block/config/entity.view_mode.custom_block.full.yml

core/modules/book/config/entity.view_mode.node.print.yml

core/modules/book/config/node.type.book.yml

...akpoint.breakpoint.theme.breakpoint_test_theme.mobile.yml

...akpoint.breakpoint.theme.breakpoint_test_theme.narrow.yml

.../breakpoint.breakpoint.theme.breakpoint_test_theme.tv.yml

...reakpoint.breakpoint.theme.breakpoint_test_theme.wide.yml

...oup.theme.breakpoint_test_theme.breakpoint_test_theme.yml

...int.breakpoint_group.theme.breakpoint_test_theme.test.yml

.../modules/comment/config/entity.view_mode.comment.full.yml

...s/comment/config/system.action.comment_publish_action.yml

...ules/comment/config/system.action.comment_save_action.yml

...comment/config/system.action.comment_unpublish_action.yml

core/modules/comment/config/views.view.comments_recent.yml

...ent_test_views/test_views/views.view.test_comment_row.yml