Fuchsia SDK: Also copy zlib to the SDK's bin directory

sdk/BUILD.gn

 # Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 # The SDK for Fuchsia does not include:
 #  dart2js
 #  dartdoc
 #  ddc
 # and libraries that are browser-specific, since these are not used and require
 # significant time to build.
@@ skipping 51 matching lines @@
     ]
     outputs = [
       "$root_out_dir/dart-sdk/bin/dart",
     ]
   }
 
   copy("copy_dylibs") {
     deps = [
       "//third_party/boringssl:crypto",
       "//third_party/boringssl:ssl",
+      "//third_party/zlib",
     ]
     crypto_out =
         get_label_info("//third_party/boringssl:crypto", "root_out_dir")
     crypto_name = get_label_info("//third_party/boringssl:crypto", "name")
     ssl_out = get_label_info("//third_party/boringssl:ssl", "root_out_dir")
     ssl_name = get_label_info("//third_party/boringssl:ssl", "name")
+    zlib_out = get_label_info("//third_party/zlib", "root_out_dir")
     sources = [
       "$crypto_out/lib${crypto_name}.so",
       "$ssl_out/lib${ssl_name}.so",
+      "$zlib_out/libz.so",
     ]
     outputs = [
       "$root_out_dir/dart-sdk/bin/{{source_file_part}}",
     ]
   }
 
   template("copy_sdk_script") {
     assert(defined(invoker.name), "copy_sdk_script must define 'name'")
     name = invoker.name
     copy(target_name) {
@@ skipping 290 matching lines @@
 
     script = "../tools/create_sdk.py"
     args = [
       "--sdk_output_dir",
       rebase_path("$root_out_dir/dart-sdk"),
       "--snapshot_location",
       rebase_path("$root_gen_dir"),
     ]
   }
 }