Add the permission for shell to test CtsVoiceInteractionTestCases

To test the AlwaysOnHotwordDetector behavior in battery saver mode,
we need the permission SOUND_TRIGGER_RUN_IN_BATTERY_SAVER.

Bug: 271511359
Test: atest AlwaysOnHotwordDetectorTest
Change-Id: I62c6fd21b58beddb1733f7e8e1bbf91b0b602b83
diff --git a/packages/Shell/AndroidManifest.xml b/packages/Shell/AndroidManifest.xml
index 78d93bd..751fbaa 100644
--- a/packages/Shell/AndroidManifest.xml
+++ b/packages/Shell/AndroidManifest.xml
@@ -634,6 +634,9 @@
     <uses-permission android:name="android.permission.MANAGE_HOTWORD_DETECTION" />
     <uses-permission android:name="android.permission.BIND_HOTWORD_DETECTION_SERVICE" />
 
+    <!-- Permission required for CTS test - CtsVoiceInteractionTestCases -->
+    <uses-permission android:name="android.permission.SOUND_TRIGGER_RUN_IN_BATTERY_SAVER"/>
+
     <uses-permission android:name="android.permission.BIND_VISUAL_QUERY_DETECTION_SERVICE" />
 
     <!-- Permission required for CTS test - KeyguardLockedStateApiTest -->