For #3865: Use separate app name and icon for Nightly build (#3873)

CHANGELOG.md

@@ -56,6 +56,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - #2419 - Adds a deletion state to the history component
 - #1570 - Enables the opening of links by other apps. Disabled in #3359.
 - #3200 - Adds application-services fretboard feature flags for FxA and Sync.
+- #3865 - Added a new nightly icon and app name
 
 ### Changed
 - #2673 - Fixed can't upload files using third party apps from the file manager.

app/src/nightly/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/debug_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

app/src/nightly/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/debug_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>

app/src/nightly/res/values/static_strings.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<resources>
+    <!-- Name of the application -->
+    <string name="app_name" translatable="false">Firefox Nightly</string>
+</resources>