platform_LowMemoryTest: add to crosbolt_perf_perbuild

Add to crosbolt_perf_perbuild to collect more data

BUG=chromium:882781
TEST=none

Change-Id: I065915f30d8022ebbd998d9ea62233877faa4f5d
Reviewed-on: https://chromium-review.googlesource.com/1229813
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/platform_LowMemoryTest/control b/client/site_tests/platform_LowMemoryTest/control
index 74d31f2..5cbb977 100644
--- a/client/site_tests/platform_LowMemoryTest/control
+++ b/client/site_tests/platform_LowMemoryTest/control
@@ -1,7 +1,7 @@
 NAME = "platform_LowMemoryTest"
 PURPOSE = "Tab discarding functional tests."
 CRITERIA = """Failed if oom-kill is invoked."""
-ATTRIBUTES = "suite:crosbolt_perf_nightly"
+ATTRIBUTES = "suite:crosbolt_perf_perbuild"
 AUTHOR="Vovo Yang"
 TIME = "SHORT"
 TEST_CATEGORY = "Functional"