Após fazer a Inspecionando do projeto, tive 1 pontos no meu projeto que não foram abordados na vídeo aula, aparentemente com as imagens.
Lint\Usability\Icons\
Icon is specified both as .xml file and as a bitmap If a drawable resource appears as an .xml file in the drawable/ folder, it's usually not intentional for it to also appear as a bitmap using the same name; generally you expect the drawable XML file to define states and each state has a corresponding drawable bitmap. Issue id: IconXmlAndPng