Fix Settings Fling test.

Bug: b/122318130

Test: atest google/perf/jank/SystemUI/UbSystemUIJankTests:android.platform.systemui.tests.jank.SettingsJankTests
Change-Id: Idf451ba733c32c7cc954fda484aded48203302f2
diff --git a/tests/jank/UbSystemUiJankTests/src/android/platform/systemui/tests/jank/SettingsJankTests.java b/tests/jank/UbSystemUiJankTests/src/android/platform/systemui/tests/jank/SettingsJankTests.java
index e6c7b8e..4271e04 100644
--- a/tests/jank/UbSystemUiJankTests/src/android/platform/systemui/tests/jank/SettingsJankTests.java
+++ b/tests/jank/UbSystemUiJankTests/src/android/platform/systemui/tests/jank/SettingsJankTests.java
@@ -42,7 +42,7 @@
     private static final int TIMEOUT = 5000;
     private static final String SETTINGS_PACKAGE = "com.android.settings";
     private static final BySelector SETTINGS_DASHBOARD = By.res(SETTINGS_PACKAGE,
-            "dashboard_container");
+            "main_content_scrollable_container");
     // short transitions should be repeated within the test function, otherwise frame stats
     // captured are not really meaningful in a statistical sense
     private static final int INNER_LOOP = 2;