xshell 编译，打包指令:

#### xshell 编译，打包指令:

Sprd首次编译命令：
cd vendor\sprd\release\IDH\ImageFiles
./build_pac.sh -a ums512_1h10_ctcc-userdebug-native -b all

修改代码编译：
source build/envsetup.sh
lunch 80

make -j24
cd vendor\sprd\release\IDH\ImageFiles
./build_pac.sh -a ums512_1h10_ctcc-userdebug-native -b pac