Include 34.0.0 in getAndroidBuildTools()

Change-Id: Idd08e09d6761f2222e13ce11e2a342f2c1430d76
diff --git a/tools/utils.py b/tools/utils.py
index 1df6d83..b250d53 100644
--- a/tools/utils.py
+++ b/tools/utils.py
@@ -197,7 +197,7 @@
         assert os.path.exists(build_tools_dir)
         return build_tools_dir
     else:
-        versions = ['33.0.1', '32.0.0']
+        versions = ['34.0.0', '33.0.1', '32.0.0']
         for version in versions:
             build_tools_dir = os.path.join(getAndroidHome(), 'build-tools',
                                            version)