Add tag attribute for VisualQueryDetectionService

The tag attribute is added to distinguish the
VisualQueryDetectionService that VoiceInteractor is using to build
service conncetion to. This is a prestep necessary of developing and
test the upcoming CLs regarding the implementation of VQDS.

Bug: 261783491
Test: Manual
Change-Id: I04855911256aa458be45707b49f369dc54c506de

core/api/system-current.txt

@@ -388,6 +388,7 @@ package android {
     field public static final int sdkVersion = 16844304; // 0x1010610
     field public static final int supportsAmbientMode = 16844173; // 0x101058d
     field public static final int userRestriction = 16844164; // 0x1010584
+    field public static final int visualQueryDetectionService;
   }
 
   public static final class R.bool {

core/java/android/service/voice/VoiceInteractionServiceInfo.java

@@ -46,6 +46,7 @@ public class VoiceInteractionServiceInfo {
     private String mSessionService;
     private String mRecognitionService;
     private String mHotwordDetectionService;
+    private String mVisualQueryDetectionService;
     private String mSettingsActivity;
     private boolean mSupportsAssist;
     private boolean mSupportsLaunchFromKeyguard;
@@ -137,6 +138,8 @@ public class VoiceInteractionServiceInfo {
                     R.styleable.VoiceInteractionService_supportsLocalInteraction, false);
             mHotwordDetectionService = array.getString(com.android.internal.R.styleable
                     .VoiceInteractionService_hotwordDetectionService);
+            mVisualQueryDetectionService = array.getString(com.android.internal.R.styleable
+                    .VoiceInteractionService_visualQueryDetectionService);
             array.recycle();
             if (mSessionService == null) {
                 mParseError = "No sessionService specified";
@@ -190,4 +193,9 @@ public class VoiceInteractionServiceInfo {
     public String getHotwordDetectionService() {
         return mHotwordDetectionService;
     }
+
+    @Nullable
+    public String getVisualQueryDetectionService() {
+        return mVisualQueryDetectionService;
+    }
 }

core/res/res/values/attrs.xml

@@ -8987,6 +8987,10 @@
         <!-- The service that provides {@link android.service.voice.HotwordDetectionService}.
              @hide @SystemApi -->
         <attr name="hotwordDetectionService" format="string" />
+        <!-- The service that provides {@link android.service.voice.VisualQueryDetectionService}.
+             @hide @SystemApi -->
+        <attr name="visualQueryDetectionService" format="string" />
+
     </declare-styleable>
 
     <!-- Use <code>game-service</code> as the root tag of the XML resource that

core/res/res/values/public-staging.xml

@@ -118,6 +118,7 @@
     <public name="enableTextStylingShortcuts" />
     <public name="requiredDisplayCategory"/>
     <public name="removed_maxConcurrentSessionsCount" />
+    <public name="visualQueryDetectionService" />
   </staging-public-group>
 
   <staging-public-group type="id" first-id="0x01cd0000">