feat: update launcher icon

Fit to api 27 requirements

Change-Id: I499ac97fce69fc55dd991d86c3a6db8ae38b3be8
diff --git a/ring-android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/ring-android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 0000000..036d09b
--- /dev/null
+++ b/ring-android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
\ No newline at end of file