Add fp icon with background shape

Fixes: 126425211
Test: RunSettingsRoboTests

Change-Id: I779f76f597b80d73b6dd6eb9e43a96abc9fee0bb

tests/robotests/src/com/android/settings/widget/AdaptiveOutlineDrawableTest.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2019 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.widget;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.res.Resources;
+import android.graphics.Paint;
+
+import com.android.settings.R;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(RobolectricTestRunner.class)
+public class AdaptiveOutlineDrawableTest {
+
+    @Test
+    public void constructor_initPaint() {
+        final Resources resources = RuntimeEnvironment.application.getResources();
+        final AdaptiveOutlineDrawable drawable = new AdaptiveOutlineDrawable(resources, null);
+
+        assertThat(drawable.mOutlinePaint.getStyle()).isEqualTo(Paint.Style.STROKE);
+        assertThat(drawable.mOutlinePaint.getStrokeWidth()).isWithin(0.01f).of(
+                resources.getDimension(R.dimen.adaptive_outline_stroke));
+    }
+
+}