Add half sheet apk to nearby

Test: start activity show half sheet half sheet can also send signal
back to nearby service
Bug: 202335820

Change-Id: I663ad2ee43a0df35a063472af2835087719828c0
diff --git a/nearby/halfsheet/res/layout/activity_half_sheet.xml b/nearby/halfsheet/res/layout/activity_half_sheet.xml
new file mode 100644
index 0000000..4915d4b
--- /dev/null
+++ b/nearby/halfsheet/res/layout/activity_half_sheet.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical" >
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="abc half sheet" />
+    </LinearLayout>
+
+</FrameLayout>
+
diff --git a/nearby/halfsheet/res/values/strings.xml b/nearby/halfsheet/res/values/strings.xml
new file mode 100644
index 0000000..22f78d7
--- /dev/null
+++ b/nearby/halfsheet/res/values/strings.xml
@@ -0,0 +1,19 @@
+<!--
+  ~ Copyright (C) 2021 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.
+  -->
+
+<resources>
+    <string name="app_name">Nearby HalfSheet Dialog</string>
+</resources>
\ No newline at end of file