Update build.sh

Author: artdeell

build.sh

@@ -4,8 +4,9 @@ export PATH=$PWD/depot_tools:$PATH
 mkdir angle
 cd angle
 
-fetch --nohooks angle
+fetch --nohooks --no-history angle
 
+git fetch
 git checkout chromium/7622
 
 echo "target_os = ['android']" >> .gclient