power_LowMemorySuspend: Add to weekly suite

BUG=b:74388883
TEST=none
CQ-DEPEND=CL:1013759

Change-Id: I5c4102301832d88e1c027cb4e9f98d8087161eaf
Reviewed-on: https://chromium-review.googlesource.com/1013760
Commit-Ready: Vovo Yang <vovoy@chromium.org>
Tested-by: Vovo Yang <vovoy@chromium.org>
Reviewed-by: Chung-yih Wang <cywang@chromium.org>
diff --git a/client/site_tests/power_LowMemorySuspend/control b/client/site_tests/power_LowMemorySuspend/control
index 61c7e6b..fcecca2 100644
--- a/client/site_tests/power_LowMemorySuspend/control
+++ b/client/site_tests/power_LowMemorySuspend/control
@@ -5,6 +5,7 @@
 NAME = "power_LowMemorySuspend"
 PURPOSE = "Low memory suspension tests."
 CRITERIA = """Fails if system hang or reboot during this test."""
+ATTRIBUTES = "suite:crosbolt_perf_weekly"
 AUTHOR="Vovo Yang"
 TIME = "LONG"
 TEST_CATEGORY = "Stress"