feat : update dependency , targetSdk 27 , buildToolsVersion 27.0.3#4

kundank191 wants to merge 2 commits intoudacity:1.11_chat_with_overdrawsudacity/ud825-render:1.11_chat_with_overdrawsfrom

kundank191:1.11_chat_with_overdrawskundank191/ud825-render:1.11_chat_with_overdrawsCopy head branch name to clipboard