Update attrs.xml and public.xml to allow a recognition service to be selected as default

Bug: 175429607

Tested: n/a
Change-Id: I35eeda1abdec91ebc756cc507ebfd69081f10a0c

core/api/current.txt

@@ -1259,6 +1259,7 @@ package android {
     field public static final int segmentedButtonStyle = 16843568; // 0x1010330
     field public static final int selectAllOnFocus = 16843102; // 0x101015e
     field public static final int selectable = 16843238; // 0x10101e6
+    field public static final int selectableAsDefault = 16844352; // 0x1010640
     field public static final int selectableItemBackground = 16843534; // 0x101030e
     field public static final int selectableItemBackgroundBorderless = 16843868; // 0x101045c
     field @Deprecated public static final int selectedDateVerticalBar = 16843591; // 0x1010347

core/res/res/values/attrs.xml

@@ -8633,6 +8633,9 @@
          Described here are the attributes that can be included in that tag. -->
     <declare-styleable name="RecognitionService">
         <attr name="settingsActivity" />
+        <!-- Flag indicating whether a recognition service can be selected as default. The default
+             value of this flag is true. -->
+        <attr name="selectableAsDefault" format="boolean" />
     </declare-styleable>
 
     <!-- Use <code>voice-interaction-service</code> as the root tag of the XML resource that

core/res/res/values/public.xml

@@ -3086,6 +3086,7 @@
     <public name="hand_secondTintMode"/>
     <public name="dataExtractionRules"/>
     <public name="passwordsActivity"/>
+    <public name="selectableAsDefault"/>
   </public-group>
 
   <public-group type="drawable" first-id="0x010800b5">