Fix foreground service notification icon (use vector drawable instead of adaptive mipmap)

Author: utsapoddar

work_timer/android/app/src/main/kotlin/com/utsapoddar/sift/TimerService.kt

@@ -61,7 +61,7 @@ class TimerService : Service() {
         return NotificationCompat.Builder(this, CHANNEL_ID)
             .setContentTitle("Sift")
             .setContentText("Timer running")
-            .setSmallIcon(R.mipmap.ic_launcher)
+            .setSmallIcon(R.drawable.ic_notification)
             .setOngoing(true)
             .addAction(0, "Stop", stopPi)
             .addAction(0, "Silence", silencePi)

work_timer/android/app/src/main/res/drawable/ic_notification.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="#FFFFFF"
+      android:pathData="M11.99,2C6.47,2 2,6.48 2,12s4.47,10 9.99,10C17.52,22 22,17.52 22,12S17.52,2 11.99,2zM12,20c-4.42,0 -8,-3.58 -8,-8s3.58,-8 8,-8 8,3.58 8,8 -3.58,8 -8,8zM12.5,7H11v6l5.25,3.15 0.75,-1.23 -4.5,-2.67z"/>
+</vector>