Updating fallback activity

> Wallpaper based theme support
> Light/dark system UI
> Swipe gestures to start and dismiss a task
> Fixing insets and task preview size

Bug: 75979063
Change-Id: Id402e6ac50551a7c0849742e3a0e77df3ead5aa2
diff --git a/quickstep/AndroidManifest.xml b/quickstep/AndroidManifest.xml
index 8b28597..f62d1d6 100644
--- a/quickstep/AndroidManifest.xml
+++ b/quickstep/AndroidManifest.xml
@@ -48,7 +48,16 @@
         It is set to true so that the activity can be started from command line -->
         <activity android:name="com.android.quickstep.RecentsActivity"
             android:exported="true"
-            android:excludeFromRecents="true" />
+            android:excludeFromRecents="true"
+            android:launchMode="singleTask"
+            android:clearTaskOnLaunch="true"
+            android:stateNotNeeded="true"
+            android:theme="@style/LauncherTheme"
+            android:screenOrientation="unspecified"
+            android:configChanges="keyboard|keyboardHidden|navigation|orientation|screenSize|screenLayout|smallestScreenSize"
+            android:resizeableActivity="true"
+            android:resumeWhilePausing="true"
+            android:taskAffinity="" />
 
         <!-- Content provider to settings search -->
         <provider