Add variant handling to performance tests.
BUG=chromium:454915
TEST=Unit test for perf_uploader, ran network_WiFi_Perf
Change-Id: I9718b340fced30756d6b7f015e3a7945b1aa4f45
Reviewed-on: https://chromium-review.googlesource.com/246310
Tested-by: Kris Rambish <krisr@chromium.org>
Reviewed-by: Bindu Mahadev <bmahadev@chromium.org>
Reviewed-by: Fang Deng <fdeng@chromium.org>
Commit-Queue: Kris Rambish <krisr@chromium.org>
diff --git a/client/cros/constants.py b/client/cros/constants.py
index 979c13f..ac025a7 100644
--- a/client/cros/constants.py
+++ b/client/cros/constants.py
@@ -184,3 +184,6 @@
# Moblab Environment Constants.
MOBLAB_USER = 'moblab'
+
+# Variant test keyval
+VARIANT_KEY = 'variant_key'