android10 源码编译报错：
Restriction Checker not present, skipping…
11:29:04 Waiting up to 10s to lock out/.lock to ensure no other Soong process is running in the same output directory
11:29:14 Tried to lock out/.lock, but timed out polling every 1s until 10s . Make sure no other Soong process is using it
failed to build some targets (14 seconds)
上一次编译异常停止
解决方案：删除 out目录下的 .lock文件