Archive unstripped dart binaries on the sdk builders

tools/bots/dart_sdk.py

Index: tools/bots/dart_sdk.py
diff --git a/tools/bots/dart_sdk.py b/tools/bots/dart_sdk.py
index 795288538a1ec813772b05a4917ede366efc7c14..00e7d35db646bf0be42bfbec50ac1f31615276bd 100644
--- a/tools/bots/dart_sdk.py
+++ b/tools/bots/dart_sdk.py
@@ -88,9 +88,25 @@ def DartArchiveUploadSDKs(system, sdk32_zip, sdk64_zip):
     DartArchiveFile(sdk32_zip, path32, checksum_files=True)
     DartArchiveFile(sdk64_zip, path64, checksum_files=True)
 
+def DartArchiveUnstrippedBinaries():
+  namer = bot_utils.GCSNamer(CHANNEL, bot_utils.ReleaseType.RAW)
+  revision = utils.GetArchiveVersion()
+  binary = namer.unstripped_filename(BUILD_OS)
+  ia32_binary = os.path.join(bot_utils.DART_DIR,
+                             utils.GetBuildRoot(BUILD_OS, 'release', 'ia32'),
+                             binary)
+  x64_binary = os.path.join(bot_utils.DART_DIR,
+                            utils.GetBuildRoot(BUILD_OS, 'release', 'x64'),
+                            binary)
+  gs_ia32_path = namer.unstripped_filepath(revision, BUILD_OS, 'ia32')
+  gs_x64_path = namer.unstripped_filepath(revision, BUILD_OS, 'x64')
+  DartArchiveFile(ia32_binary, gs_ia32_path)
+  DartArchiveFile(x64_binary, gs_x64_path)
+
 def CreateUploadSDK():
   BuildSDK()
   CreateUploadSDKZips()
+  DartArchiveUnstrippedBinaries()
 
 def CreateUploadAPIDocs():
   dartdoc_dir =  os.path.join(bot_utils.DART_DIR,