Updated minor fixed forgotten in previous commits

app/src/beta/res/mipmap-hdpi/ic_launcher.png

app/src/beta/res/mipmap-mdpi/ic_launcher.png

app/src/beta/res/mipmap-xhdpi/ic_launcher.png

app/src/beta/res/mipmap-xxhdpi/ic_launcher.png

app/src/beta/res/mipmap-xxxhdpi/ic_launcher.png

app/src/beta/res/values/colors.xml

app/src/beta/res/values/strings.xml

app/src/debug/res/mipmap-hdpi/ic_launcher.png

app/src/debug/res/mipmap-mdpi/ic_launcher.png

app/src/debug/res/mipmap-xhdpi/ic_launcher.png

app/src/debug/res/mipmap-xxhdpi/ic_launcher.png

app/src/debug/res/mipmap-xxxhdpi/ic_launcher.png

app/src/debug/res/values/colors.xml

app/src/debug/res/values/strings.xml

app/src/main/res/drawable-hdpi/ic_scroll_down_dark.png

app/src/main/res/drawable-mdpi/ic_scroll_down_dark.png

app/src/main/res/drawable-xhdpi/ic_scroll_down_dark.png

app/src/main/res/drawable-xxhdpi/ic_scroll_down_dark.png

app/src/main/res/drawable-xxxhdpi/ic_scroll_down_dark.png

build.gradle