Remove intent-filter from PrivacySettingsActivity

BackupSettingsActivity should be the only activity listenting to the
BACKUP_AND_RESET_SETTINGS intent. It then decides which acitivity to
launch.

Bug: 35237721
Test: make SettingsUnitTests
Change-Id: I2021ec57e08c305771dd040c52725065597fd042

AndroidManifest.xml

@@ -1342,11 +1342,6 @@
                 android:configChanges="orientation|keyboardHidden|screenSize"
                 android:taskAffinity="com.android.settings"
                 android:parentActivityName="Settings">
-            <intent-filter android:priority="1">
-                <action android:name="android.settings.PRIVACY_SETTINGS" />
-                <action android:name="android.settings.BACKUP_AND_RESET_SETTINGS" />
-                <category android:name="android.intent.category.DEFAULT" />
-            </intent-filter>
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.DEFAULT" />

tests/unit/src/com/android/settings/backup/BackupIntentTest.java

@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package com.android.settings.backup;
+
+import android.app.Instrumentation;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.filters.SmallTest;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.List;
+
+import static com.google.common.truth.Truth.assertThat;
+
+@RunWith(AndroidJUnit4.class)
+@SmallTest
+public class BackupIntentTest {
+
+    private static final String INTENT_PRIVACY_SETTINGS = "android.settings.PRIVACY_SETTINGS";
+    private static final String INTENT_BACKUP_SETTINGS =
+            "android.settings.BACKUP_AND_RESET_SETTINGS";
+    private static final String BACKUP_SETTINGS_ACTIVITY =
+            "com.android.settings.backup.BackupSettingsActivity";
+
+    private Context mContext;
+
+    @Before
+    public void setUp() throws Exception {
+        Instrumentation instrumentation = InstrumentationRegistry.getInstrumentation();
+        mContext = instrumentation.getTargetContext();
+    }
+
+    @Test
+    public void testBackupSettingsIntentResolvesToOnlyOneActivity(){
+        PackageManager pm = mContext.getPackageManager();
+        Intent intent = new Intent(INTENT_BACKUP_SETTINGS);
+        List<ResolveInfo> activities = pm.queryIntentActivities(intent, 0);
+        assertThat(activities).isNotNull();
+        assertThat(activities.size()).isEqualTo(1);
+        assertThat(activities.get(0).activityInfo.getComponentName().getClassName()).
+                isEqualTo(BACKUP_SETTINGS_ACTIVITY);
+    }
+
+    @Test
+    public void testPrivacySettingsIntentResolvesToOnlyOneActivity(){
+        PackageManager pm = mContext.getPackageManager();
+        Intent intent = new Intent(INTENT_PRIVACY_SETTINGS);
+        List<ResolveInfo> activities = pm.queryIntentActivities(intent, 0);
+        assertThat(activities).isNotNull();
+        assertThat(activities.size()).isEqualTo(1);
+        assertThat(activities.get(0).activityInfo.getComponentName().getClassName()).
+                isEqualTo(BACKUP_SETTINGS_ACTIVITY);
+    }
+
+}