Add SettingsContextualCardProvider

- provide contextual cards for SettingsIntelligence
- add contextualcards libs

Fixes: 116837093
Test: make RunSettingsRoboTests ROBOTEST_FILTER="com.android.settings.homepage.contextualcards"

Change-Id: I873e77fa43e9a8f6056be1f583b1910002efbd2e

tests/robotests/src/com/android/settings/homepage/contextualcards/SettingsContextualCardProviderTest.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2018 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.homepage.contextualcards;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.net.Uri;
+import android.os.Bundle;
+
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import com.google.android.settings.intelligence.libs.contextualcards.ContextualCard;
+import com.google.android.settings.intelligence.libs.contextualcards.ContextualCardProvider;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RuntimeEnvironment;
+
+import java.util.ArrayList;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+public class SettingsContextualCardProviderTest {
+
+    private Context mContext;
+    private ContentResolver mResolver;
+    private Uri mUri;
+
+    @Before
+    public void setUp() {
+        mContext = RuntimeEnvironment.application;
+        mResolver = mContext.getContentResolver();
+        mUri = new Uri.Builder()
+                .scheme(ContentResolver.SCHEME_CONTENT)
+                .authority(SettingsContextualCardProvider.CARD_AUTHORITY)
+                .build();
+    }
+
+    @Test
+    public void contentProviderCall_returnCorrectSize() {
+        final Bundle returnValue =
+                mResolver.call(mUri, ContextualCardProvider.METHOD_GET_CARD_LIST, "", null);
+        final ArrayList<ContextualCard> cards =
+                returnValue.getParcelableArrayList(ContextualCardProvider.BUNDLE_CARD_LIST);
+        assertThat(cards.size()).isEqualTo(2);
+    }
+}