Enable memory dump for Launcher

Bug: 154772063
Change-Id: I3b2bc2e341037746891658f2596999248ec272ef
diff --git a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
index 858e183..a1a2ed2 100644
--- a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
+++ b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
@@ -116,8 +116,7 @@
         if (TestHelpers.isInLauncherProcess()) {
             StrictMode.VmPolicy.Builder builder =
                     new StrictMode.VmPolicy.Builder()
-// b/154772063
-//                            .detectActivityLeaks()
+                            .detectActivityLeaks()
                             .penaltyLog()
                             .penaltyListener(Runnable::run, violation -> {
                                 if (sStrictmodeDetectedActivityLeak == null) {