Update app icon

java/AndroidManifest.xml

java/ic_launcher-playstore.png

java/res/drawable/ic_launcher_foreground.xml

java/res/mipmap-anydpi-v26/ic_launcher.xml

java/res/mipmap-anydpi-v26/ic_launcher_round.xml

java/res/mipmap-hdpi/ic_launcher.png

java/res/mipmap-hdpi/ic_launcher_round.png

java/res/mipmap-mdpi/ic_launcher.png

java/res/mipmap-mdpi/ic_launcher_round.png

java/res/mipmap-xhdpi/ic_launcher.png

java/res/mipmap-xhdpi/ic_launcher_round.png

java/res/mipmap-xxhdpi/ic_launcher.png

java/res/mipmap-xxhdpi/ic_launcher_round.png

java/res/mipmap-xxxhdpi/ic_launcher.png

java/res/mipmap-xxxhdpi/ic_launcher_round.png

java/res/values/ic_launcher_background.xml