Set configChanges for Spa Browser Activity

Spa Browser Activity will handle orientation change itself.
To prevent the activity from being restarted.

Bug: 259520506
Test: Manually with Gallery
Change-Id: I8f379e7ddc69cd4f63c9cf645d0fbb1f789643c5
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 132fc29..ca184b1 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -4736,7 +4736,10 @@
             </intent-filter>
         </activity>
 
-        <activity android:name=".spa.SpaActivity" android:exported="false"/>
+        <activity
+            android:name=".spa.SpaActivity"
+            android:configChanges="orientation|screenLayout|screenSize|smallestScreenSize"
+            android:exported="false" />
         <activity android:name=".spa.SpaBridgeActivity" android:exported="false"/>
 
         <activity-alias android:name="UsageStatsActivity"