Allow app tasks api to fetch its own task base-intent extras

- We strip it for other callers where we know we don't need the info
  but apps might need this for some reason

Bug: 159649017
Test: atest AppTaskTests#testBaseIntentHasExtras
Change-Id: I3365989cad92e557f1143f52ffd77e85f8618c0d

services/core/java/com/android/server/wm/AppTaskImpl.java

@@ -83,7 +83,8 @@ class AppTaskImpl extends IAppTask.Stub {
                 if (task == null) {
                     throw new IllegalArgumentException("Unable to find task ID " + mTaskId);
                 }
-                return mService.getRecentTasks().createRecentTaskInfo(task);
+                return mService.getRecentTasks().createRecentTaskInfo(task,
+                        false /* stripExtras */);
             } finally {
                 Binder.restoreCallingIdentity(origId);
             }

services/core/java/com/android/server/wm/RecentTasks.java

@@ -961,7 +961,7 @@ class RecentTasks {
                 continue;
             }
 
-            res.add(createRecentTaskInfo(task));
+            res.add(createRecentTaskInfo(task, true /* stripExtras */));
         }
         return res;
     }
@@ -1832,9 +1832,9 @@ class RecentTasks {
     /**
      * Creates a new RecentTaskInfo from a Task.
      */
-    ActivityManager.RecentTaskInfo createRecentTaskInfo(Task tr) {
+    ActivityManager.RecentTaskInfo createRecentTaskInfo(Task tr, boolean stripExtras) {
         ActivityManager.RecentTaskInfo rti = new ActivityManager.RecentTaskInfo();
-        tr.fillTaskInfo(rti);
+        tr.fillTaskInfo(rti, stripExtras);
         // Fill in some deprecated values
         rti.id = rti.isRunning ? rti.taskId : INVALID_TASK_ID;
         rti.persistentId = rti.taskId;

services/core/java/com/android/server/wm/Task.java

@@ -3551,11 +3551,19 @@ class Task extends WindowContainer<WindowContainer> {
         }
     }
 
+
     /**
      * Fills in a {@link TaskInfo} with information from this task. Note that the base intent in the
      * task info will not include any extras or clip data.
      */
     void fillTaskInfo(TaskInfo info) {
+        fillTaskInfo(info, true /* stripExtras */);
+    }
+
+    /**
+     * Fills in a {@link TaskInfo} with information from this task.
+     */
+    void fillTaskInfo(TaskInfo info, boolean stripExtras) {
         getNumRunningActivities(mReuseActivitiesReport);
         info.userId = mUserId;
         info.stackId = getRootTaskId();
@@ -3566,7 +3574,9 @@ class Task extends WindowContainer<WindowContainer> {
         // Make a copy of base intent because this is like a snapshot info.
         // Besides, {@link RecentTasks#getRecentTasksImpl} may modify it.
         final int baseIntentFlags = baseIntent == null ? 0 : baseIntent.getFlags();
-        info.baseIntent = baseIntent == null ? new Intent() : baseIntent.cloneFilter();
+        info.baseIntent = baseIntent == null
+                ? new Intent()
+                : stripExtras ? baseIntent.cloneFilter() : new Intent(baseIntent);
         info.baseIntent.setFlags(baseIntentFlags);
         info.baseActivity = mReuseActivitiesReport.base != null
                 ? mReuseActivitiesReport.base.intent.getComponent()