Delete deprecated methods after dogfood transition.

Bug: 181887768
Test: Presubmit
Change-Id: I729f6cc0acb15cfc78b4c39be165d72443c26879
diff --git a/apex/appsearch/framework/api/current.txt b/apex/appsearch/framework/api/current.txt
index 4dff436..5a2f702 100644
--- a/apex/appsearch/framework/api/current.txt
+++ b/apex/appsearch/framework/api/current.txt
@@ -290,14 +290,12 @@
     method @NonNull public String getDatabaseName();
     method @NonNull public android.app.appsearch.GenericDocument getGenericDocument();
     method @NonNull public java.util.List<android.app.appsearch.SearchResult.MatchInfo> getMatchInfos();
-    method @Deprecated @NonNull public java.util.List<android.app.appsearch.SearchResult.MatchInfo> getMatches();
     method @NonNull public String getPackageName();
     method public double getRankingSignal();
   }
 
   public static final class SearchResult.Builder {
     ctor public SearchResult.Builder(@NonNull String, @NonNull String);
-    method @Deprecated @NonNull public android.app.appsearch.SearchResult.Builder addMatch(@NonNull android.app.appsearch.SearchResult.MatchInfo);
     method @NonNull public android.app.appsearch.SearchResult.Builder addMatchInfo(@NonNull android.app.appsearch.SearchResult.MatchInfo);
     method @NonNull public android.app.appsearch.SearchResult build();
     method @NonNull public android.app.appsearch.SearchResult.Builder setGenericDocument(@NonNull android.app.appsearch.GenericDocument);
diff --git a/apex/appsearch/framework/java/external/android/app/appsearch/SearchResult.java b/apex/appsearch/framework/java/external/android/app/appsearch/SearchResult.java
index 0d186f2..4beb667 100644
--- a/apex/appsearch/framework/java/external/android/app/appsearch/SearchResult.java
+++ b/apex/appsearch/framework/java/external/android/app/appsearch/SearchResult.java
@@ -18,6 +18,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.compat.annotation.UnsupportedAppUsage;
 import android.os.Bundle;
 
 import com.android.internal.util.Preconditions;
@@ -82,8 +83,12 @@
         return mDocument;
     }
 
-    /** @deprecated This method exists only for dogfooder transition and must be removed. */
+    /**
+     * @deprecated TODO(b/181887768): Exists for dogfood transition; must be removed.
+     * @hide
+     */
     @Deprecated
+    @UnsupportedAppUsage
     @NonNull
     public List<MatchInfo> getMatches() {
         return getMatchInfos();
@@ -191,8 +196,12 @@
             return this;
         }
 
-        /** @deprecated This method exists only for dogfooder transition and must be removed. */
+        /**
+         * @deprecated TODO(b/181887768): Exists for dogfood transition; must be removed.
+         * @hide
+         */
         @Deprecated
+        @UnsupportedAppUsage
         @NonNull
         public Builder addMatch(@NonNull MatchInfo matchInfo) {
             return addMatchInfo(matchInfo);