Remove dependency of gsutil to download ndk

platform_tools/android/bin/download_toolchains.py

Index: platform_tools/android/bin/download_toolchains.py
diff --git a/platform_tools/android/bin/download_toolchains.py b/platform_tools/android/bin/download_toolchains.py
new file mode 100755
index 0000000000000000000000000000000000000000..9922283dc07be4426ba0ec309cd4eb5c244e5fbe
--- /dev/null
+++ b/platform_tools/android/bin/download_toolchains.py
@@ -0,0 +1,19 @@
+#!/usr/bin/python
+
+"""Download all toolchains for this platform.
+
+This module downloads multiple tgz's.
+"""
+
+import download_utils
+import sys
+
+url = sys.argv[1]
+filepath = sys.argv[2]
+
+try:
+  download_utils.SyncURL(url, filepath)
+  exit(0)
+except download_utils.HashError, e:
+  exit(1)
+