Add support for Predictive Back in SensorUseStartedActivity

Test: atest SensorUseStartedActivityTest
Bug: 255923586
Change-Id: I1b675c7ab59730b82dfb2b4d43234b783d4a76fc
diff --git a/packages/SystemUI/tests/AndroidManifest.xml b/packages/SystemUI/tests/AndroidManifest.xml
index 78c28ea..d8331ab 100644
--- a/packages/SystemUI/tests/AndroidManifest.xml
+++ b/packages/SystemUI/tests/AndroidManifest.xml
@@ -127,6 +127,12 @@
             android:finishOnCloseSystemDialogs="true"
             android:excludeFromRecents="true" />
 
+        <activity android:name=".sensorprivacy.SensorUseStartedActivityTest$SensorUseStartedActivityTestable"
+                  android:exported="false"
+                  android:theme="@style/Theme.SystemUI.Dialog.Alert"
+                  android:finishOnCloseSystemDialogs="true"
+                  android:excludeFromRecents="true" />
+
         <provider
             android:name="androidx.startup.InitializationProvider"
             tools:replace="android:authorities"