Add metrics logging for App Clips.

Test: atest AppClipsActivityTest AppClipsTrampolineActivityTest
Bug: 267815367
Change-Id: I6e9cfa0c54b1999a95a6f2260f23f6605f5f90a5
diff --git a/packages/SystemUI/tests/AndroidManifest.xml b/packages/SystemUI/tests/AndroidManifest.xml
index ed2772a..2ef3511 100644
--- a/packages/SystemUI/tests/AndroidManifest.xml
+++ b/packages/SystemUI/tests/AndroidManifest.xml
@@ -165,6 +165,12 @@
             android:exported="false"
             android:permission="com.android.systemui.permission.SELF"
             android:excludeFromRecents="true" />
+
+        <activity
+            android:name="com.android.systemui.screenshot.appclips.AppClipsActivityTest$AppClipsActivityTestable"
+            android:exported="false"
+            android:permission="com.android.systemui.permission.SELF"
+            android:excludeFromRecents="true" />
     </application>
 
     <instrumentation android:name="android.testing.TestableInstrumentation"