autotest: add suite_scheduled wifi_interop test

Add an entry to run wifi_interop tests weekly and include the full
chaos suite.

BUG=chromium:269129
TEST=site_utils/run_suite.py -p wifichaos -s wifi_interop

Change-Id: I09435a335495ac9a8641746de40467fd81b0eb61
Reviewed-on: https://chromium-review.googlesource.com/179500
Tested-by: Jason Abele <jabele@chromium.org>
Reviewed-by: Jason Abele <jabele@chromium.org>
Commit-Queue: Jason Abele <jabele@chromium.org>
diff --git a/suite_scheduler.ini b/suite_scheduler.ini
index 201bdbf..7debc65 100644
--- a/suite_scheduler.ini
+++ b/suite_scheduler.ini
@@ -266,6 +266,12 @@
 branch_specs: >=R34
 pool: groamer
 
+[WiFi_InteropWeekly]
+run_on: weekly
+suite: wifi_interop
+branch_specs: >=R34
+pool: wifiinterop
+
 [WiMAX]
 run_on: nightly
 suite: wimax