Add intent-filter to SearchResultTrampoline

Bug: 64938328
Test: atest
Change-Id: I3ac6506a6af3af9ff2bd60354ba23617b700ace8
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 062ebdc..2268977 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -223,6 +223,10 @@
                   android:theme="@android:style/Theme.NoDisplay"
                   android:excludeFromRecents="true"
                   android:exported="true">
+            <intent-filter>
+                <action android:name="com.android.settings.SEARCH_RESULT_TRAMPOLINE" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
         </activity>
 
         <!-- Top-level settings -->