Tips Gesture Navigation Tutorial [Part 2]

include actual implementation of gesture tutorial.

Bug: 146173041
Test: adb shell am start -a \
"com.android.quickstep.action.BACK_GESTURE_TUTORIAL"
Change-Id: Ic166f0a10d8efc22d9684f089142de164ca24c90
diff --git a/quickstep/AndroidManifest.xml b/quickstep/AndroidManifest.xml
index 826a275..5d871c3 100644
--- a/quickstep/AndroidManifest.xml
+++ b/quickstep/AndroidManifest.xml
@@ -91,6 +91,17 @@
                   android:taskAffinity="${packageName}.locktask"
                   android:directBootAware="true" />
 
+        <activity
+            android:name="com.android.quickstep.interaction.BackGestureTutorialActivity"
+            android:autoRemoveFromRecents="true"
+            android:excludeFromRecents="true"
+            android:screenOrientation="portrait">
+            <intent-filter>
+                <action android:name="com.android.quickstep.action.BACK_GESTURE_TUTORIAL" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </activity>
+
     </application>
 
 </manifest>