Add TEST_MAPPING files for AppSearch.

This replaces the previous @Presubmit solution.
This reverts commit 3638f66a5c.

Bug: 143900788
Test: presubmit
Change-Id: I9dbb60166b958d492c309fa5ab402368bdbf7159

apex/appsearch/framework/java/android/app/TEST_MAPPING

@@ -0,0 +1,7 @@
+{
+  "imports": [
+    {
+      "path": "frameworks/base/apex/appsearch/service/java/com/android/server/appsearch"
+    }
+  ]
+}

apex/appsearch/service/java/com/android/server/appsearch/TEST_MAPPING

@@ -0,0 +1,15 @@
+{
+  "presubmit": [
+    {
+      "name": "CtsAppSearchTestCases"
+    },
+    {
+      "name": "FrameworksServicesTests",
+      "options": [
+        {
+          "include-filter": "com.android.server.appsearch"
+        }
+      ]
+    }
+  ]
+}

services/tests/servicestests/src/com/android/server/appsearch/impl/FakeIcingTest.java

@@ -17,8 +17,6 @@ package com.android.server.appsearch.impl;
 
 import static com.google.common.truth.Truth.assertThat;
 
-import android.platform.test.annotations.Presubmit;
-
 import androidx.test.runner.AndroidJUnit4;
 
 import com.google.android.icing.proto.DocumentProto;
@@ -31,7 +29,6 @@ import java.util.ArrayList;
 import java.util.List;
 
 @RunWith(AndroidJUnit4.class)
-@Presubmit
 public class FakeIcingTest {
     @Test
     public void query() {