Add new flags to asset stream manager (#10)

- Add --config-file option defining Json configuration file for asset stream manager
- Add log_dir flag for log folder
- Remove unused functions from SdkUtils
- Fix build issue in cdc_fuse_fs

asset_stream_manager/BUILD

@@ -12,7 +12,6 @@ cc_binary(
         "//cdc_stream",
         "//common:log",
         "//common:path",
-        "//common:sdk_util",
         "//data_store:data_provider",
     ],
 )