Run leak detector in test isolation rule

This will help to fail the test causing the leak, not the next one

Bug: 187761685
Test: presubmit
Flag: N/A
Change-Id: I07e2457a9c8b9794d9c3ecc4764500dcdd3bbb10
diff --git a/tests/src/com/android/launcher3/util/rule/TestIsolationRule.java b/tests/src/com/android/launcher3/util/rule/TestIsolationRule.java
index 5cc4c5e..592cc9b 100644
--- a/tests/src/com/android/launcher3/util/rule/TestIsolationRule.java
+++ b/tests/src/com/android/launcher3/util/rule/TestIsolationRule.java
@@ -18,6 +18,7 @@
 import androidx.annotation.NonNull;
 
 import com.android.launcher3.tapl.LauncherInstrumentation;
+import com.android.launcher3.ui.AbstractLauncherUiTest;
 
 import org.junit.rules.TestRule;
 import org.junit.runner.Description;
@@ -42,6 +43,7 @@
                 base.evaluate();
                 // Make sure that Launcher workspace looks correct.
                 mLauncher.goHome();
+                AbstractLauncherUiTest.checkDetectedLeaks(mLauncher);
             }
         };
     }