Add search bar radius

Author: subsymbolic

app/src/main/res/drawable/search_background.xml

@@ -0,0 +1,23 @@
+<!--
+  ~ Copyright (c) 2018 DuckDuckGo
+  ~
+  ~ 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.
+  -->
+
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="@color/searchBackground" />
+    <stroke
+        android:width="1dp"
+        android:color="@color/searchBackground" />
+    <corners android:radius="2dp" />
+</shape>

app/src/main/res/layout/activity_browser.xml

@@ -61,7 +61,7 @@
                             android:layout_width="match_parent"
                             android:layout_height="match_parent"
                             android:layout_margin="8dp"
-                            android:background="@color/searchBackground"
+                            android:background="@drawable/search_background"
                             android:elevation="4dp"
                             android:fontFamily="sans-serif-medium"
                             android:hint="@string/omnibarInputHint"

app/src/main/res/layout/content_home.xml

@@ -47,7 +47,7 @@
         android:layout_marginStart="20dp"
         android:transitionName="@string/transition_url_input"
         android:layout_marginTop="36dp"
-        android:background="#5e6168"
+        android:background="@drawable/search_background"
         android:drawableEnd="@drawable/ic_search_white_18dp"
         android:gravity="center_vertical"
         android:paddingEnd="16dp"