Update android icon

It has a horrible white circle around it, and I cannot seem to figure
out how to fix it.

android/app/src/main/AndroidManifest.xml

@@ -15,7 +15,7 @@
     <application
         android:name="io.flutter.app.FlutterApplication"
         android:label="GitJournal"
-        android:icon="@mipmap/ic_launcher">
+        android:icon="@mipmap/launcher_icon">
         <activity
             android:name=".MainActivity"
             android:launchMode="singleTop"

pubspec.lock

@@ -8,6 +8,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.34.1"
+  archive:
+    dependency: transitive
+    description:
+      name: archive
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.5"
   args:
     dependency: transitive
     description:
@@ -64,6 +71,15 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.14.6"
+  dart_config:
+    dependency: transitive
+    description:
+      path: "."
+      ref: HEAD
+      resolved-ref: e26916e095244a7e5ea61315b030d298d127ed26
+      url: "https://github.com/MarkOSullivan94/dart_config.git"
+    source: git
+    version: "0.5.0"
   firebase_analytics:
     dependency: "direct main"
     description:
@@ -76,6 +92,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_launcher_icons:
+    dependency: "direct dev"
+    description:
+      name: flutter_launcher_icons
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.7.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -123,6 +146,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "3.1.3"
+  image:
+    dependency: transitive
+    description:
+      name: image
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.5"
   intl:
     dependency: "direct main"
     description:
@@ -221,6 +251,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.6.2"
+  petitparser:
+    dependency: transitive
+    description:
+      name: petitparser
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
   plugin:
     dependency: transitive
     description:
@@ -408,6 +445,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.9"
+  xml:
+    dependency: transitive
+    description:
+      name: xml
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.2.5"
   yaml:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -12,9 +12,14 @@ dependencies:
   shared_preferences: ^0.4.3
 
 dev_dependencies:
+  flutter_launcher_icons: "^0.7.0"
   test: ^1.5.1
   flutter_test:
     sdk: flutter
 
 flutter:
   uses-material-design: true
+
+flutter_icons:
+  android: "launcher_icon"
+  image_path: "assets/icon/icon.png"