minigbm: fixup! align minigbm functions names with upstream libgbm Adding missing plane handle API renaming. Change-Id: I33c4b4bcc5097ca568c95eb8c3718c3f790fd996 Reviewed-on: https://chromium-review.googlesource.com/1170773 Commit-Ready: Maksim Sisov <msisov@igalia.com> Tested-by: Maksim Sisov <msisov@igalia.com> Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>