Add RTT call chat window.

This change add a mock in simulator with a type bot that's simulating remote typing. The integration into incall UI will be in following changes.

Bug: 67596257
Test: RttChatMessageTest
PiperOrigin-RevId: 181211591
Change-Id: If6cdcb010afc0c25e90d3a44fe349920d5a856c6

1 files changed, 21 insertions, 0 deletions

diff --git a/java/com/android/incallui/rtt/impl/res/drawable/message_bubble.xml b/java/com/android/incallui/rtt/impl/res/drawable/message_bubble.xml
new file mode 100644
index 000000000..2b01f62f9
--- /dev/null
+++ b/java/com/android/incallui/rtt/impl/res/drawable/message_bubble.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ 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
+  -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+  <solid android:color="@android:color/white"/>
+  <corners android:radius="20dp"/>
+</shape>
\ No newline at end of file