Add new test to the performance suite, as requested.

TEST=None
BUG=None

Change-Id: I1e1bead2aa4fcaca94890226d02f3bf5b95bf386
(cherry picked from commit 87a115ea749422fcf7db4a26590ce305a9c59886)
Reviewed-on: https://chromium-review.googlesource.com/258170
Reviewed-by: Keith Haddow <haddowk@chromium.org>
Tested-by: Keith Haddow <haddowk@chromium.org>
Reviewed-by: Dan Shi <dshi@chromium.org>
Commit-Queue: Keith Haddow <haddowk@chromium.org>
diff --git a/client/site_tests/build_RootFilesystemSize/control b/client/site_tests/build_RootFilesystemSize/control
index 9989f04..c5d83b9 100644
--- a/client/site_tests/build_RootFilesystemSize/control
+++ b/client/site_tests/build_RootFilesystemSize/control
@@ -8,7 +8,7 @@
 CRITERIA = """
 This test will fail if the size of the rootfs size cannot be obtained.
 """
-SUITE = "bvt-inline"
+SUITE = "bvt-inline,performance"
 TIME = "SHORT"
 TEST_CATEGORY = "Functional"
 TEST_CLASS = "build"