Log the event for swiping up to dismiss a task in Overview.

Test: manual
Bug: 137777105

Demo logging for dismissing a task:
  data {
    elapsed_timestamp_nanos: 70772067228810
    atom {
      launcher_event {
        action: DISMISS_TASK
        src_state: OVERVIEW
        dst_state: BACKGROUND
        is_swipe_up_enabled: true
      }
    }
  }

Change-Id: I5569b80e2e1f35661bc5e9e343c6c298791a1ec1
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
index 9b157d1..1bf77f5 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java
@@ -97,6 +97,7 @@
 import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Direction;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Touch;
+import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.OverScroller;
 import com.android.launcher3.util.PendingAnimation;
 import com.android.launcher3.util.Themes;
@@ -1051,9 +1052,10 @@
         if (task != null) {
             ActivityManagerWrapper.getInstance().removeTask(task.key.id);
             if (shouldLog) {
+                ComponentKey componentKey = TaskUtils.getLaunchComponentKeyForTask(task.key);
                 mActivity.getUserEventDispatcher().logTaskLaunchOrDismiss(
-                        onEndListener.logAction, Direction.UP, index,
-                        TaskUtils.getLaunchComponentKeyForTask(task.key));
+                        onEndListener.logAction, Direction.UP, index, componentKey);
+                mActivity.getStatsLogManager().logTaskDismiss(this, componentKey);
             }
         }
     }
diff --git a/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java b/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
index 2f411ef..13a8dc2 100644
--- a/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
+++ b/quickstep/src/com/android/quickstep/logging/StatsLogCompatManager.java
@@ -25,6 +25,7 @@
 import static android.stats.launcher.nano.Launcher.HOME;
 import static android.stats.launcher.nano.Launcher.LAUNCH_APP;
 import static android.stats.launcher.nano.Launcher.LAUNCH_TASK;
+import static android.stats.launcher.nano.Launcher.DISMISS_TASK;
 import static android.stats.launcher.nano.Launcher.BACKGROUND;
 import static android.stats.launcher.nano.Launcher.OVERVIEW;
 
@@ -74,6 +75,16 @@
                 MessageNano.toByteArray(ext), true);
     }
 
+    @Override
+    public void logTaskDismiss(View v, ComponentKey componentKey) {
+        LauncherExtension ext = new LauncherExtension();
+        ext.srcTarget = new LauncherTarget[SUPPORTED_TARGET_DEPTH];
+        int srcState = OVERVIEW;
+        fillInLauncherExtension(v, ext);
+        StatsLogCompat.write(DISMISS_TASK, srcState, BACKGROUND /* dstState */,
+                MessageNano.toByteArray(ext), true);
+    }
+
     public static boolean fillInLauncherExtension(View v, LauncherExtension extension) {
         StatsLogUtils.LogContainerProvider provider = StatsLogUtils.getLaunchProviderRecursive(v);
         if (v == null || !(v.getTag() instanceof ItemInfo) || provider == null) {
diff --git a/src/com/android/launcher3/logging/StatsLogManager.java b/src/com/android/launcher3/logging/StatsLogManager.java
index 9b9543e..d11d434 100644
--- a/src/com/android/launcher3/logging/StatsLogManager.java
+++ b/src/com/android/launcher3/logging/StatsLogManager.java
@@ -40,5 +40,6 @@
 
     public void logAppLaunch(View v, Intent intent) { }
     public void logTaskLaunch(View v, ComponentKey key) { }
+    public void logTaskDismiss(View v, ComponentKey key) { }
     public void verify() {}     // TODO: should move into robo tests
 }