chore(mobile-voice): update app icon to control-icon

packages/mobile-voice/app.json

@@ -37,7 +37,7 @@
     },
     "android": {
       "adaptiveIcon": {
-        "backgroundColor": "#E6F4FE",
+        "backgroundColor": "#1a1a1a",
         "foregroundImage": "./assets/images/android-icon-foreground.png",
         "backgroundImage": "./assets/images/android-icon-background.png",
         "monochromeImage": "./assets/images/android-icon-monochrome.png"