Fix UI renderer CTS failing due to app window offset

Ui renderer test activity is explicitly set to be non-resizeable
because verifier assumes that rendered image is centered on
screen.

Bug: 30037893
Change-Id: I650540647d1a50ad1d048fd18accb043ede80a8d
diff --git a/tests/tests/uirendering/AndroidManifest.xml b/tests/tests/uirendering/AndroidManifest.xml
index 24cdd8a..fcd38ae 100644
--- a/tests/tests/uirendering/AndroidManifest.xml
+++ b/tests/tests/uirendering/AndroidManifest.xml
@@ -21,9 +21,15 @@
     <uses-permission android:name="android.permission.DISABLE_KEYGUARD" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <application>
-<!--            android:theme="@style/WhiteBackgroundTheme"> -->
+        <!--
+         * Some tests (e.g. ShadowTests#testShadowLayout) may have different results depending on
+         * the position on screen, so current implementation of verifier assumes that rendered image
+         * is centered. Therefore activity made non-resizable to work correctly on devices that
+         * start up in multi-window mode.
+         -->
         <activity android:name="android.uirendering.cts.testinfrastructure.DrawActivity"
-                android:theme="@style/WhiteBackgroundTheme"></activity>
+                  android:theme="@style/WhiteBackgroundTheme"
+                  android:resizeableActivity="false" />
         <uses-library android:name="android.test.runner" />
     </application>