去掉android_sdk版本号里的特殊字符，比如: \r, \n

pack.sh

@@ -72,6 +72,8 @@ build_image() {
     rm -f "$build_dir/system/bin/hugep-all.zip"
 
     android_sdk="$(grep "build\.version\.sdk" "$build_dir"/system/build.prop | awk -F'=' '{print $2}')"
+    android_sdk="${android_sdk//$'\r'}"
+    android_sdk="${android_sdk//$'\n'}"
     if [[ "$android_sdk" -ge 28 ]]
     then
         find ./services/ -type f -name "*.rc" -exec install -t "$build_dir"/system/etc/init/ {} \;